Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302264
Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =5135a(2) =96004a(3) =1984001a(4) =41994750a(5) =893462062a(6) =18964765818a(7) =402597400706
External references
- oeis: A302264