Number of nX7 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

A300611

Number of nX7 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =981a(2) =39330a(3) =1387896a(4) =48279880a(5) =1693172810a(6) =59556673490

External references