Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s.
A295530
Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s.
Terms
- a(0) =37a(1) =2735a(2) =113466a(3) =5400933a(4) =253594307a(5) =11938414614a(6) =563330031268
External references
- oeis: A295530