T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 0 or 3 and no column sum 0 or 3.

A258966

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 0 or 3 and no column sum 0 or 3.

Terms

    a(0) =66a(1) =158a(2) =158a(3) =214a(4) =344a(5) =214a(6) =462a(7) =274a(8) =274a(9) =462a(10) =676a(11) =467a(12) =192a(13) =467a(14) =676a(15) =1374a(16) =614a(17) =286a(18) =286a(19) =614a(20) =1374a(21) =2040a(22) =951a(23) =288a(24) =312a(25) =288a(26) =951a(27) =2040a(28) =4104a(29) =1228

External references