Number of nX5 0..3 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.

A230785

Number of nX5 0..3 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.

Terms

    a(0) =0a(1) =8154a(2) =4321988a(3) =1986882996a(4) =974259190594

External references