Number of nX6 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..3 introduced in row major order.

A204683

Number of nX6 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..3 introduced in row major order.

Terms

    a(0) =143a(1) =447343a(2) =563046972a(3) =815364171994

External references