Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.
A297748
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.
Terms
- a(0) =13a(1) =715a(2) =9733a(3) =187564a(4) =5298077a(5) =116064732a(6) =2703029494a(7) =67944280878
External references
- oeis: A297748