T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4.

A252088

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4.

Terms

    a(0) =64a(1) =130a(2) =130a(3) =295a(4) =322a(5) =295a(6) =687a(7) =943a(8) =943a(9) =687a(10) =1591a(11) =2595a(12) =3326a(13) =2595a(14) =1591a(15) =3650a(16) =7089a(17) =11186a(18) =11186a(19) =7089a(20) =3650a(21) =8389a(22) =19910a(23) =38374a(24) =47266a(25) =38374a(26) =19910a(27) =8389a(28) =19412a(29) =55703

External references