141696

Appears in sequences

• Number of n X n matrices containing a permutation of 1..n*n in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.at n=4A181191
• Number of n X 5 matrices containing a permutation of 1..n*5 in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.at n=4A181192
• T(n,k) = number of n X k matrices containing a permutation of 1..n*k in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.at n=40A181196
• Number of 5 X n matrices containing a permutation of 1..5*n in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.at n=4A181199
• Number of ways to place 5 nonattacking semi-queens on an n X n board.at n=7A202656
• Hankel transform of A000265 (odd part of n).at n=7A229628