T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12.

A234114

T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12.

Terms

    a(0) =56a(1) =186a(2) =186a(3) =604a(4) =608a(5) =604a(6) =2064a(7) =2086a(8) =2086a(9) =2064a(10) =6964a(11) =7742a(12) =7732a(13) =7742a(14) =6964a(15) =24156a(16) =29278a(17) =31740a(18) =31740a(19) =29278a(20) =24156a(21) =83012a(22) =113666a(23) =133592a(24) =151304a(25) =133592a(26) =113666a(27) =83012a(28) =290164a(29) =446590

External references