Number of n X 5 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1.

A203539

Number of n X 5 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1.

Terms

    a(0) =0a(1) =64a(2) =1840a(3) =30976a(4) =1700580a(5) =46485124a(6) =1680210240a(7) =56191754304

External references