Number of nX4 0..2 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.

A241366

Number of nX4 0..2 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.

Terms

    a(0) =4a(1) =121a(2) =4617a(3) =169982a(4) =6280325a(5) =232173463a(6) =8582759752a(7) =317280724429

External references