Number of (n+1) X (3+1) 0..1 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A253345
Number of (n+1) X (3+1) 0..1 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =125a(1) =724a(2) =4800a(3) =30920a(4) =199512a(5) =1285960a(6) =8289288a(7) =53433608a(8) =344449224a(9) =2220470152a(10) =14314275912a(11) =92277661448a(12) =594874191816
External references
- oeis: A253345