Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.
A297747
Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.
Terms
- a(0) =9a(1) =237a(2) =2223a(3) =28540a(4) =462187a(5) =6379211a(6) =92963365a(7) =1407868835a(8) =20923328285a(9) =313246086576
External references
- oeis: A297747