Number of (n+1)X(4+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 15.

A234204

Number of (n+1)X(4+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 15.

Terms

    a(0) =7584a(1) =28016a(2) =104276a(3) =476804a(4) =2064028a(5) =10399724a(6) =47733004a(7) =254130448a(8) =1198170996a(9) =6642355444a(10) =31775362404a(11) =182343457264a(12) =879949882832

External references