Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 3 1s.
A295095
Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 3 1s.
Terms
- a(0) =9a(1) =123a(2) =1249a(3) =14187a(4) =158361a(5) =1767431a(6) =19730839a(7) =220211372a(8) =2459567704a(9) =27461372975a(10) =306610224608
External references
- oeis: A295095