Number of nX6 0..3 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order.

A241327

Number of nX6 0..3 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order.

Terms

    a(0) =41a(1) =45057a(2) =60066019a(3) =79254376889

External references