Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A253991
Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =914112a(1) =8730836a(2) =133063670a(3) =2365554897a(4) =36583132201a(5) =592324411676
External references
- oeis: A253991