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

A252295

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

Terms

    a(0) =943a(1) =856a(2) =856a(3) =976a(4) =436a(5) =976a(6) =1481a(7) =637a(8) =637a(9) =1481a(10) =2079a(11) =1327a(12) =1663a(13) =1327a(14) =2079a(15) =3265a(16) =3267a(17) =5257a(18) =5257a(19) =3267a(20) =3265a(21) =5676a(22) =8740a(23) =18047a(24) =22766a(25) =18047a(26) =8740a(27) =5676a(28) =10939a(29) =24071

External references