Number of nX3 0..3 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order.

A241324

Number of nX3 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) =2a(1) =59a(2) =2344a(3) =95144a(4) =3875244a(5) =157912026a(6) =6435036610a(7) =262234101215

External references