Number of nX5 0..3 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..3 introduced in row major order.

A241117

Number of nX5 0..3 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..3 introduced in row major order.

Terms

    a(0) =51a(1) =40148a(2) =35000157a(3) =30679522712

External references