Number of defective 3-colorings of an nX4 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

A229690

Number of defective 3-colorings of an nX4 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

Terms

    a(0) =3a(1) =245a(2) =5077a(3) =80757a(4) =1125333a(5) =14461173a(6) =175867605a(7) =2054728053a(8) =23284024533a(9) =257577229557

External references