Number of (n+1)X4 0..3 arrays with every 2X3 or 3X2 subblock having no more than two equal edges, and new values 0..3 introduced in row major order.

A206363

Number of (n+1)X4 0..3 arrays with every 2X3 or 3X2 subblock having no more than two equal edges, and new values 0..3 introduced in row major order.

Terms

    a(0) =1990a(1) =294983a(2) =47155911a(3) =7524874363

External references