Number of nX7 0..4 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 5, and upper left element zero.

A230570

Number of nX7 0..4 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 5, and upper left element zero.

Terms

    a(0) =0a(1) =8a(2) =9088a(3) =2541242a(4) =615786708a(5) =145982711348

External references