Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1s.
A295050
Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1s.
Terms
- a(0) =34a(1) =747a(2) =14691a(3) =301306a(4) =6171389a(5) =125887202a(6) =2573527520a(7) =52573942625
External references
- oeis: A295050