Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 4 neighboring 1s.
A297686
Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 4 neighboring 1s.
Terms
- a(0) =64a(1) =865a(2) =18840a(3) =260924a(4) =4870764a(5) =78957968a(6) =1368968852a(7) =22772982621a(8) =388437292266
External references
- oeis: A297686