T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.

A204153

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.

Terms

    a(0) =689a(1) =3902a(2) =3902a(3) =22262a(4) =28982a(5) =22262a(6) =127022a(7) =156494a(8) =156494a(9) =127022a(10) =724154a(11) =891662a(12) =844136a(13) =891662a(14) =724154a(15) =4128422a(16) =5117114a(17) =4683434a(18) =4683434a(19) =5117114a(20) =4128422a(21) =23538722a(22) =29610374a(23) =26968208a(24) =26497814a(25) =26968208a(26) =29610374a(27) =23538722

External references