Number of (6+1)X(n+1) 0..1 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A253355
Number of (6+1)X(n+1) 0..1 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =2470a(1) =60779a(2) =1285960a(3) =29779356a(4) =664592224a(5) =15101198444a(6) =340810754556
External references
- oeis: A253355