T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 2 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.
A255792
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 2 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.
Terms
- a(0) =90a(1) =177a(2) =177a(3) =361a(4) =270a(5) =361a(6) =715a(7) =491a(8) =491a(9) =715a(10) =1478a(11) =884a(12) =1050a(13) =884a(14) =1478a(15) =2969a(16) =1696a(17) =2141a(18) =2141a(19) =1696a(20) =2969a(21) =6186a(22) =3376a(23) =4908a(24) =5240a(25) =4908a(26) =3376a(27) =6186a(28) =12534a(29) =6668
External references
- oeis: A255792