Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254487
Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =114880a(1) =2523008a(2) =51322752a(3) =1018596736a(4) =20457240960a(5) =410404894080
External references
- oeis: A254487