1/12 the number of (n+1) X 8 0..5 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease, and at least two adjacent blocks having the same increasing direction.

A183727

1/12 the number of (n+1) X 8 0..5 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease, and at least two adjacent blocks having the same increasing direction.

Terms

    a(0) =16731a(1) =388998a(2) =8439116a(3) =200260149a(4) =4858574535a(5) =134020420595

External references