Number of (3+1)X(n+1) 0..1 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A253352
Number of (3+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) =125a(1) =735a(2) =4800a(3) =31156a(4) =200740a(5) =1294016a(6) =8338384a(7) =53745952a(8) =346434848a(9) =2233207264a(10) =14396108256a(11) =92804450272a(12) =598267360480
External references
- oeis: A253352