Number of nX3 0..4 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..4 introduced in row major order.

A209498

Number of nX3 0..4 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..4 introduced in row major order.

Terms

    a(0) =5a(1) =57a(2) =1938a(3) =78135a(4) =3268686a(5) =137627625a(6) =5801378991a(7) =244591579065

External references