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 0 2 or 4.

A252032

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 0 2 or 4.

Terms

    a(0) =213a(1) =227a(2) =227a(3) =357a(4) =323a(5) =357a(6) =809a(7) =781a(8) =781a(9) =809a(10) =1805a(11) =1929a(12) =2206a(13) =1929a(14) =1805a(15) =4259a(16) =5285a(17) =7182a(18) =7182a(19) =5285a(20) =4259a(21) =10251a(22) =14831a(23) =24664a(24) =29781a(25) =24664a(26) =14831a(27) =10251a(28) =24331a(29) =41745

External references