T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7.

A252679

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7.

Terms

    a(0) =656a(1) =775a(2) =750a(3) =901a(4) =630a(5) =808a(6) =1246a(7) =1005a(8) =991a(9) =1010a(10) =1802a(11) =1525a(12) =2106a(13) =1677a(14) =1648a(15) =2564a(16) =3185a(17) =3424a(18) =4298a(19) =3573a(20) =2554a(21) =3654a(22) =6645a(23) =9794a(24) =7747a(25) =11543a(26) =7164a(27) =4038a(28) =6075a(29) =10933

External references