Number of (n+1)X(5+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise.

A235410

Number of (n+1)X(5+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise.

Terms

    a(0) =676a(1) =7617a(2) =98575a(3) =1155953a(4) =13930916a(5) =145005714a(6) =1561049902a(7) =14369333157a(8) =137304769214

External references