Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,1.
A037553
Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,1.
Terms
- a(0) =2a(1) =9a(2) =37a(3) =150a(4) =601a(5) =2405a(6) =9622a(7) =38489a(8) =153957a(9) =615830a(10) =2463321a(11) =9853285a(12) =39413142a(13) =157652569a(14) =630610277a(15) =2522441110a(16) =10089764441a(17) =40359057765a(18) =161436231062a(19) =645744924249
External references
- oeis: A037553