Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 1,2.
A037481
Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 1,2.
Terms
- a(0) =0a(1) =1a(2) =6a(3) =25a(4) =102a(5) =409a(6) =1638a(7) =6553a(8) =26214a(9) =104857a(10) =419430a(11) =1677721a(12) =6710886a(13) =26843545a(14) =107374182a(15) =429496729a(16) =1717986918a(17) =6871947673a(18) =27487790694a(19) =109951162777a(20) =439804651110
External references
- oeis: A037481