Number of nX6 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).

A230066

Number of nX6 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).

Terms

    a(0) =0a(1) =1089a(2) =31329a(3) =6487209a(4) =793041921a(5) =114228452529

External references