Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,0.
A037505
Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,0.
Terms
- a(0) =1a(1) =6a(2) =24a(3) =97a(4) =390a(5) =1560a(6) =6241a(7) =24966a(8) =99864a(9) =399457a(10) =1597830a(11) =6391320a(12) =25565281a(13) =102261126a(14) =409044504a(15) =1636178017a(16) =6544712070a(17) =26178848280a(18) =104715393121a(19) =418861572486
External references
- oeis: A037505