193122

Appears in sequences

• Number of nX5 binary arrays whose sum with another nX5 binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order.at n=4A225897
• T(n,k)=Number of nXk binary arrays whose sum with another nXk binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order.at n=40A225900
• Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=18A253839