Number of (n+1)X6 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order.

A205437

Number of (n+1)X6 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order.

Terms

    a(0) =16955a(1) =2052727a(2) =375775257a(3) =76421483407

External references