T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.

A258612

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.

Terms

    a(0) =7500a(1) =76729a(2) =76729a(3) =682356a(4) =567009a(5) =682356a(6) =6056521a(7) =2729104a(8) =2729104a(9) =6056521a(10) =46060932a(11) =16806958a(12) =8093970a(13) =16806958a(14) =46060932a(15) =354117124a(16) =90782784a(17) =20602521a(18) =20602521a(19) =90782784a(20) =354117124a(21) =2476716772a(22) =474650022a(23) =65662350a(24) =26101881

External references