Number of n X 4 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 or 2 neighboring 1s.
A297310
Number of n X 4 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 or 2 neighboring 1s.
Terms
- a(0) =7a(1) =66a(2) =497a(3) =3808a(4) =29212a(5) =223995a(6) =1717882a(7) =13174266a(8) =101033369a(9) =774822892a(10) =5942100272a(11) =45569854023a(12) =349474289622
External references
- oeis: A297310