T(n,k)=Number of (n+1)X(k+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.

A234208

T(n,k)=Number of (n+1)X(k+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) =104a(1) =440a(2) =440a(3) =1792a(4) =1732a(5) =1792a(6) =7584a(7) =6644a(8) =6644a(9) =7584a(10) =31552a(11) =28016a(12) =24480a(13) =28016a(14) =31552a(15) =133984a(16) =115680a(17) =104276a(18) =104276a(19) =115680a(20) =133984a(21) =560768a(22) =509536a(23) =429552a(24) =476804a(25) =429552a(26) =509536a(27) =560768a(28) =2386048a(29) =2169836

External references