Number of n X 4 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s.
A297334
Number of n X 4 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s.
Terms
- a(0) =8a(1) =53a(2) =334a(3) =2119a(4) =13428a(5) =85065a(6) =538819a(7) =3412881a(8) =21617001a(9) =136920545a(10) =867244348a(11) =5493058792a(12) =34792608560a(13) =220373681804
External references
- oeis: A297334