Number of n X 3 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1s.
A295046
Number of n X 3 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1s.
Terms
- a(0) =5a(1) =19a(2) =72a(3) =270a(4) =1027a(5) =3879a(6) =14691a(7) =55589a(8) =210418a(9) =796360a(10) =3014159a(11) =11408021a(12) =43177713a(13) =163420621a(14) =618521718a(15) =2341006856a(16) =8860343731a(17) =33535006265a(18) =126924727467a(19) =480390130557
External references
- oeis: A295046