Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
A297635
Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
Terms
- a(0) =21a(1) =552a(2) =6548a(3) =108928a(4) =2077060a(5) =36084211a(6) =659362756a(7) =12330890209a(8) =229556423760
External references
- oeis: A297635