Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0 or 2 neighboring 1s.
A297456
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0 or 2 neighboring 1s.
Terms
- a(0) =34a(1) =1009a(2) =14817a(3) =303202a(4) =6088511a(5) =116817805a(6) =2300975096a(7) =45221328552a(8) =886373249313
External references
- oeis: A297456