Number of (n+2)X(n+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column.

A251186

Number of (n+2)X(n+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column.

Terms

    a(0) =512a(1) =7776a(2) =209952a(3) =10077696a(4) =259200000a(5) =9600000000a(6) =512000000000

External references