Number of nX3 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 3 or 4 1s.
A295647
Number of nX3 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 3 or 4 1s.
Terms
- a(0) =7a(1) =35a(2) =184a(3) =956a(4) =4993a(5) =26037a(6) =135848a(7) =708695a(8) =3697224a(9) =19288127a(10) =100624816a(11) =524952380a(12) =2738639019a(13) =14287283144a(14) =74535731534a(15) =388847564661
External references
- oeis: A295647