Number of n X 5 binary arrays with all 1s connected, a path of 1s from top row to bottom row, and no 1 having more than two 1s adjacent.
A163717
Number of n X 5 binary arrays with all 1s connected, a path of 1s from top row to bottom row, and no 1 having more than two 1s adjacent.
Terms
- a(0) =15a(1) =101a(2) =463a(3) =2119a(4) =9012a(5) =35116a(6) =132342a(7) =493096a(8) =1811125a(9) =6520133a(10) =23029880a(11) =80160412a(12) =275921198a(13) =940822284a(14) =3180583139a(15) =10669390899a(16) =35546124724a(17) =117710823554a(18) =387700663494
External references
- oeis: A163717