Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A257419
Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =512a(1) =7652a(2) =117324a(3) =1770206a(4) =12316842a(5) =115919394a(6) =1037269100a(7) =6191314193a(8) =57799643410a(9) =478127487069
External references
- oeis: A257419