Number of nX5 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.

A230568

Number of nX5 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) =0a(2) =60a(3) =2582a(4) =91084a(5) =3026090a(6) =98987768a(7) =3223042422a(8) =104788977596

External references