Number of n X 3 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 3 1s.
A295411
Number of n X 3 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 3 1s.
Terms
- a(0) =4a(1) =36a(2) =234a(3) =1534a(4) =10291a(5) =68613a(6) =457178a(7) =3048314a(8) =20323497a(9) =135493938a(10) =903332290a(11) =6022478907a(12) =40151569213a(13) =267688593389
External references
- oeis: A295411