Number of 6X(n+1) 0..3 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..3 introduced in row major order.

A205613

Number of 6X(n+1) 0..3 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..3 introduced in row major order.

Terms

    a(0) =96288a(1) =3889612a(2) =131086803a(3) =5847666690a(4) =219511132715

External references