188034

Appears in sequences

• Number of (n+7)X(n+7) 0..1 matrices with each 8X8 subblock idempotent.at n=9A224589
• Number of n X n X n triangular 0..6 arrays with some element less than a w, nw or ne neighbor exactly once.at n=3A271032
• T(n,k)=Number of nXnXn triangular 0..k arrays with some element less than a w, nw or ne neighbor exactly once.at n=39A271034
• Number of 4 X 4 X 4 triangular 0..n arrays with some element less than a w, nw or ne neighbor exactly once.at n=5A271036
• Number of 4-cycles in the n X n black bishop graph.at n=21A289162