Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
A302009
Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =8192a(2) =772272a(3) =75450768a(4) =7350348800a(5) =716213306576
External references
- oeis: A302009