T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 5 6 or 8 and every 3X3 column and antidiagonal sum not equal to 0 3 5 6 or 8.

A252615

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 5 6 or 8 and every 3X3 column and antidiagonal sum not equal to 0 3 5 6 or 8.

Terms

    a(0) =614a(1) =1051a(2) =725a(3) =1717a(4) =1379a(5) =1042a(6) =3235a(7) =2815a(8) =2817a(9) =1635a(10) =6403a(11) =6019a(12) =7031a(13) =5304a(14) =3022a(15) =12421a(16) =13879a(17) =17762a(18) =15119a(19) =14435a(20) =5503a(21) =25137a(22) =31514a(23) =58239a(24) =43595a(25) =51614a(26) =37917a(27) =9927a(28) =50144a(29) =71856

External references