1537476

Appears in sequences

• Number of (n+2)X(n+2) binary arrays with 3X3 subblock sums nondecreasing rightwards and downwards.at n=2A186831
• Number of (n+2)X5 binary arrays with 3X3 subblock sums nondecreasing rightwards and downwards.at n=2A186834
• T(n,k)=Number of (n+2)X(k+2) binary arrays with 3X3 subblock sums nondecreasing rightwards and downwards.at n=12A186840