Number of 0..7 colorings of a 2X(n+1) array circular in the n+1 direction with new values 0..7 introduced in row major order.

A214240

Number of 0..7 colorings of a 2X(n+1) array circular in the n+1 direction with new values 0..7 introduced in row major order.

Terms

    a(0) =4a(1) =18a(2) =354a(3) =7749a(4) =231799a(5) =8178855a(6) =318511707a(7) =13046748480a(8) =547969772934

External references