Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,3,2,0.
A037709
Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,3,2,0.
Terms
- a(0) =1a(1) =7a(2) =30a(3) =120a(4) =481a(5) =1927a(6) =7710a(7) =30840a(8) =123361a(9) =493447a(10) =1973790a(11) =7895160a(12) =31580641a(13) =126322567a(14) =505290270a(15) =2021161080a(16) =8084644321a(17) =32338577287a(18) =129354309150a(19) =517417236600
External references
- oeis: A037709