Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally or vertically adjacent elements, with upper left element zero.

A301782

Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally or vertically adjacent elements, with upper left element zero.

Terms

    a(0) =32a(1) =2048a(2) =102544a(3) =5289488a(4) =272151040a(5) =14004742144a(6) =720677122368

External references