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

A256029

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

Terms

    a(0) =33a(1) =68a(2) =68a(3) =154a(4) =164a(5) =154a(6) =352a(7) =484a(8) =484a(9) =352a(10) =798a(11) =1302a(12) =1689a(13) =1302a(14) =798a(15) =1804a(16) =3500a(17) =5559a(18) =5559a(19) =3500a(20) =1804a(21) =4086a(22) =9820a(23) =18881a(24) =23134a(25) =18881a(26) =9820a(27) =4086a(28) =9304a(29) =27424

External references