Number of (n+1) X 6 0..3 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.

A206115

Number of (n+1) X 6 0..3 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.

Terms

    a(0) =171564a(1) =588840a(2) =2408480a(3) =21702240a(4) =190349280a(5) =1990281312a(6) =18371031840a(7) =163028308320

External references