Number of (n+1) X 4 0..3 arrays where every 2 X 2 subblock has the same number of clockwise edge increases.

A205365

Number of (n+1) X 4 0..3 arrays where every 2 X 2 subblock has the same number of clockwise edge increases.

Terms

    a(0) =15616a(1) =516364a(2) =17552984a(3) =629784956a(4) =23521828188a(5) =902946068592

External references