Number of 6Xn 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.

A230575

Number of 6Xn 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) =0a(3) =5130a(4) =3026090a(5) =765537650a(6) =145982711348

External references