Identifier
-
Mp00119:
Dyck paths
—to 321-avoiding permutation (Krattenthaler)⟶
Permutations
Mp00089: Permutations —Inverse Kreweras complement⟶ Permutations
St000235: Permutations ⟶ ℤ
Values
[1,0] => [1] => [1] => 0
[1,0,1,0] => [1,2] => [2,1] => 0
[1,1,0,0] => [2,1] => [1,2] => 2
[1,0,1,0,1,0] => [1,2,3] => [2,3,1] => 0
[1,0,1,1,0,0] => [1,3,2] => [3,2,1] => 2
[1,1,0,0,1,0] => [2,1,3] => [1,3,2] => 2
[1,1,0,1,0,0] => [2,3,1] => [1,2,3] => 3
[1,1,1,0,0,0] => [3,1,2] => [3,1,2] => 3
[1,0,1,0,1,0,1,0] => [1,2,3,4] => [2,3,4,1] => 0
[1,0,1,0,1,1,0,0] => [1,2,4,3] => [2,4,3,1] => 2
[1,0,1,1,0,0,1,0] => [1,3,2,4] => [3,2,4,1] => 2
[1,0,1,1,0,1,0,0] => [1,3,4,2] => [4,2,3,1] => 3
[1,0,1,1,1,0,0,0] => [1,4,2,3] => [3,4,2,1] => 3
[1,1,0,0,1,0,1,0] => [2,1,3,4] => [1,3,4,2] => 2
[1,1,0,0,1,1,0,0] => [2,1,4,3] => [1,4,3,2] => 4
[1,1,0,1,0,0,1,0] => [2,3,1,4] => [1,2,4,3] => 3
[1,1,0,1,0,1,0,0] => [2,3,4,1] => [1,2,3,4] => 4
[1,1,0,1,1,0,0,0] => [2,4,1,3] => [1,4,2,3] => 4
[1,1,1,0,0,0,1,0] => [3,1,2,4] => [3,1,4,2] => 3
[1,1,1,0,0,1,0,0] => [3,1,4,2] => [4,1,3,2] => 4
[1,1,1,0,1,0,0,0] => [3,4,1,2] => [4,1,2,3] => 4
[1,1,1,1,0,0,0,0] => [4,1,2,3] => [3,4,1,2] => 4
[1,0,1,0,1,0,1,0,1,0] => [1,2,3,4,5] => [2,3,4,5,1] => 0
[1,0,1,0,1,0,1,1,0,0] => [1,2,3,5,4] => [2,3,5,4,1] => 2
[1,0,1,0,1,1,0,0,1,0] => [1,2,4,3,5] => [2,4,3,5,1] => 2
[1,0,1,0,1,1,0,1,0,0] => [1,2,4,5,3] => [2,5,3,4,1] => 3
[1,0,1,0,1,1,1,0,0,0] => [1,2,5,3,4] => [2,4,5,3,1] => 3
[1,0,1,1,0,0,1,0,1,0] => [1,3,2,4,5] => [3,2,4,5,1] => 2
[1,0,1,1,0,0,1,1,0,0] => [1,3,2,5,4] => [3,2,5,4,1] => 4
[1,0,1,1,0,1,0,0,1,0] => [1,3,4,2,5] => [4,2,3,5,1] => 3
[1,0,1,1,0,1,0,1,0,0] => [1,3,4,5,2] => [5,2,3,4,1] => 4
[1,0,1,1,0,1,1,0,0,0] => [1,3,5,2,4] => [4,2,5,3,1] => 4
[1,0,1,1,1,0,0,0,1,0] => [1,4,2,3,5] => [3,4,2,5,1] => 3
[1,0,1,1,1,0,0,1,0,0] => [1,4,2,5,3] => [3,5,2,4,1] => 4
[1,0,1,1,1,0,1,0,0,0] => [1,4,5,2,3] => [4,5,2,3,1] => 4
[1,0,1,1,1,1,0,0,0,0] => [1,5,2,3,4] => [3,4,5,2,1] => 4
[1,1,0,0,1,0,1,0,1,0] => [2,1,3,4,5] => [1,3,4,5,2] => 2
[1,1,0,0,1,0,1,1,0,0] => [2,1,3,5,4] => [1,3,5,4,2] => 4
[1,1,0,0,1,1,0,0,1,0] => [2,1,4,3,5] => [1,4,3,5,2] => 4
[1,1,0,0,1,1,0,1,0,0] => [2,1,4,5,3] => [1,5,3,4,2] => 5
[1,1,0,0,1,1,1,0,0,0] => [2,1,5,3,4] => [1,4,5,3,2] => 5
[1,1,0,1,0,0,1,0,1,0] => [2,3,1,4,5] => [1,2,4,5,3] => 3
[1,1,0,1,0,0,1,1,0,0] => [2,3,1,5,4] => [1,2,5,4,3] => 5
[1,1,0,1,0,1,0,0,1,0] => [2,3,4,1,5] => [1,2,3,5,4] => 4
[1,1,0,1,0,1,0,1,0,0] => [2,3,4,5,1] => [1,2,3,4,5] => 5
[1,1,0,1,0,1,1,0,0,0] => [2,3,5,1,4] => [1,2,5,3,4] => 5
[1,1,0,1,1,0,0,0,1,0] => [2,4,1,3,5] => [1,4,2,5,3] => 4
[1,1,0,1,1,0,0,1,0,0] => [2,4,1,5,3] => [1,5,2,4,3] => 5
[1,1,0,1,1,0,1,0,0,0] => [2,4,5,1,3] => [1,5,2,3,4] => 5
[1,1,0,1,1,1,0,0,0,0] => [2,5,1,3,4] => [1,4,5,2,3] => 5
[1,1,1,0,0,0,1,0,1,0] => [3,1,2,4,5] => [3,1,4,5,2] => 3
[1,1,1,0,0,0,1,1,0,0] => [3,1,2,5,4] => [3,1,5,4,2] => 5
[1,1,1,0,0,1,0,0,1,0] => [3,1,4,2,5] => [4,1,3,5,2] => 4
[1,1,1,0,0,1,0,1,0,0] => [3,1,4,5,2] => [5,1,3,4,2] => 5
[1,1,1,0,0,1,1,0,0,0] => [3,1,5,2,4] => [4,1,5,3,2] => 5
[1,1,1,0,1,0,0,0,1,0] => [3,4,1,2,5] => [4,1,2,5,3] => 4
[1,1,1,0,1,0,0,1,0,0] => [3,4,1,5,2] => [5,1,2,4,3] => 5
[1,1,1,0,1,0,1,0,0,0] => [3,4,5,1,2] => [5,1,2,3,4] => 5
[1,1,1,0,1,1,0,0,0,0] => [3,5,1,2,4] => [4,1,5,2,3] => 5
[1,1,1,1,0,0,0,0,1,0] => [4,1,2,3,5] => [3,4,1,5,2] => 4
[1,1,1,1,0,0,0,1,0,0] => [4,1,2,5,3] => [3,5,1,4,2] => 5
[1,1,1,1,0,0,1,0,0,0] => [4,1,5,2,3] => [4,5,1,3,2] => 5
[1,1,1,1,0,1,0,0,0,0] => [4,5,1,2,3] => [4,5,1,2,3] => 5
[1,1,1,1,1,0,0,0,0,0] => [5,1,2,3,4] => [3,4,5,1,2] => 5
[1,0,1,0,1,0,1,0,1,0,1,0] => [1,2,3,4,5,6] => [2,3,4,5,6,1] => 0
[1,0,1,0,1,0,1,0,1,1,0,0] => [1,2,3,4,6,5] => [2,3,4,6,5,1] => 2
[1,0,1,0,1,0,1,1,0,0,1,0] => [1,2,3,5,4,6] => [2,3,5,4,6,1] => 2
[1,0,1,0,1,0,1,1,0,1,0,0] => [1,2,3,5,6,4] => [2,3,6,4,5,1] => 3
[1,0,1,0,1,0,1,1,1,0,0,0] => [1,2,3,6,4,5] => [2,3,5,6,4,1] => 3
[1,0,1,0,1,1,0,0,1,0,1,0] => [1,2,4,3,5,6] => [2,4,3,5,6,1] => 2
[1,0,1,0,1,1,0,0,1,1,0,0] => [1,2,4,3,6,5] => [2,4,3,6,5,1] => 4
[1,0,1,0,1,1,0,1,0,0,1,0] => [1,2,4,5,3,6] => [2,5,3,4,6,1] => 3
[1,0,1,0,1,1,0,1,0,1,0,0] => [1,2,4,5,6,3] => [2,6,3,4,5,1] => 4
[1,0,1,0,1,1,0,1,1,0,0,0] => [1,2,4,6,3,5] => [2,5,3,6,4,1] => 4
[1,0,1,0,1,1,1,0,0,0,1,0] => [1,2,5,3,4,6] => [2,4,5,3,6,1] => 3
[1,0,1,0,1,1,1,0,0,1,0,0] => [1,2,5,3,6,4] => [2,4,6,3,5,1] => 4
[1,0,1,0,1,1,1,0,1,0,0,0] => [1,2,5,6,3,4] => [2,5,6,3,4,1] => 4
[1,0,1,0,1,1,1,1,0,0,0,0] => [1,2,6,3,4,5] => [2,4,5,6,3,1] => 4
[1,0,1,1,0,0,1,0,1,0,1,0] => [1,3,2,4,5,6] => [3,2,4,5,6,1] => 2
[1,0,1,1,0,0,1,0,1,1,0,0] => [1,3,2,4,6,5] => [3,2,4,6,5,1] => 4
[1,0,1,1,0,0,1,1,0,0,1,0] => [1,3,2,5,4,6] => [3,2,5,4,6,1] => 4
[1,0,1,1,0,0,1,1,0,1,0,0] => [1,3,2,5,6,4] => [3,2,6,4,5,1] => 5
[1,0,1,1,0,0,1,1,1,0,0,0] => [1,3,2,6,4,5] => [3,2,5,6,4,1] => 5
[1,0,1,1,0,1,0,0,1,0,1,0] => [1,3,4,2,5,6] => [4,2,3,5,6,1] => 3
[1,0,1,1,0,1,0,0,1,1,0,0] => [1,3,4,2,6,5] => [4,2,3,6,5,1] => 5
[1,0,1,1,0,1,0,1,0,0,1,0] => [1,3,4,5,2,6] => [5,2,3,4,6,1] => 4
[1,0,1,1,0,1,0,1,0,1,0,0] => [1,3,4,5,6,2] => [6,2,3,4,5,1] => 5
[1,0,1,1,0,1,0,1,1,0,0,0] => [1,3,4,6,2,5] => [5,2,3,6,4,1] => 5
[1,0,1,1,0,1,1,0,0,0,1,0] => [1,3,5,2,4,6] => [4,2,5,3,6,1] => 4
[1,0,1,1,0,1,1,0,0,1,0,0] => [1,3,5,2,6,4] => [4,2,6,3,5,1] => 5
[1,0,1,1,0,1,1,0,1,0,0,0] => [1,3,5,6,2,4] => [5,2,6,3,4,1] => 5
[1,0,1,1,0,1,1,1,0,0,0,0] => [1,3,6,2,4,5] => [4,2,5,6,3,1] => 5
[1,0,1,1,1,0,0,0,1,0,1,0] => [1,4,2,3,5,6] => [3,4,2,5,6,1] => 3
[1,0,1,1,1,0,0,0,1,1,0,0] => [1,4,2,3,6,5] => [3,4,2,6,5,1] => 5
[1,0,1,1,1,0,0,1,0,0,1,0] => [1,4,2,5,3,6] => [3,5,2,4,6,1] => 4
[1,0,1,1,1,0,0,1,0,1,0,0] => [1,4,2,5,6,3] => [3,6,2,4,5,1] => 5
[1,0,1,1,1,0,0,1,1,0,0,0] => [1,4,2,6,3,5] => [3,5,2,6,4,1] => 5
[1,0,1,1,1,0,1,0,0,0,1,0] => [1,4,5,2,3,6] => [4,5,2,3,6,1] => 4
[1,0,1,1,1,0,1,0,0,1,0,0] => [1,4,5,2,6,3] => [4,6,2,3,5,1] => 5
[1,0,1,1,1,0,1,0,1,0,0,0] => [1,4,5,6,2,3] => [5,6,2,3,4,1] => 5
[1,0,1,1,1,0,1,1,0,0,0,0] => [1,4,6,2,3,5] => [4,5,2,6,3,1] => 5
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Description
The number of indices that are not cyclical small weak excedances.
A cyclical small weak excedance is an index $i < n$ such that $\pi_i = i+1$, or the index $i = n$ if $\pi_n = 1$.
A cyclical small weak excedance is an index $i < n$ such that $\pi_i = i+1$, or the index $i = n$ if $\pi_n = 1$.
Map
Inverse Kreweras complement
Description
Sends the permutation $\pi \in \mathfrak{S}_n$ to the permutation $c\pi^{-1}$ where $c = (1,\ldots,n)$ is the long cycle.
Map
to 321-avoiding permutation (Krattenthaler)
Description
Krattenthaler's bijection to 321-avoiding permutations.
Draw the path of semilength $n$ in an $n\times n$ square matrix, starting at the upper left corner, with right and down steps, and staying below the diagonal. Then the permutation matrix is obtained by placing ones into the cells corresponding to the peaks of the path and placing ones into the remaining columns from left to right, such that the row indices of the cells increase.
Draw the path of semilength $n$ in an $n\times n$ square matrix, starting at the upper left corner, with right and down steps, and staying below the diagonal. Then the permutation matrix is obtained by placing ones into the cells corresponding to the peaks of the path and placing ones into the remaining columns from left to right, such that the row indices of the cells increase.
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