368868

Appears in sequences

• Number of ways to place 6 nonattacking wazirs on a 6 X n board.at n=5A172232
• Number of ways to place 6 nonattacking wazirs on an n X n board.at n=5A178409
• Number of ways to place n nonattacking wazirs on an n X n board.at n=6A201511
• Triangle read by rows: T(n,k) = number of n X n binary matrices with k pairwise nonadjacent 1's, n >= 0, k = 0..n^2.at n=67A232833
• Array read by antidiagonals: T(n,k) is the number of k element independent vertex sets in the n X k grid graph.at n=60A390159