Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 4 neighboring 1s.
A297693
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 4 neighboring 1s.
Terms
- a(0) =34a(1) =1216a(2) =16931a(3) =378611a(4) =8377550a(5) =165522511a(6) =3487451085a(7) =73143230512
External references
- oeis: A297693