Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 2 1s.
A295038
Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 2 1s.
Terms
- a(0) =21a(1) =876a(2) =19956a(3) =528282a(4) =13706771a(5) =355281224a(6) =9248214732a(7) =240292442848
External references
- oeis: A295038