Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1s.
A295049
Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1s.
Terms
- a(0) =21a(1) =299a(2) =3879a(3) =52199a(4) =700972a(5) =9388654a(6) =125887202a(7) =1687776548a(8) =22627774940a(9) =303374187415
External references
- oeis: A295049