Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,2,1.
A037561
Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,2,1.
Terms
- a(0) =2a(1) =10a(2) =41a(3) =166a(4) =666a(5) =2665a(6) =10662a(7) =42650a(8) =170601a(9) =682406a(10) =2729626a(11) =10918505a(12) =43674022a(13) =174696090a(14) =698784361a(15) =2795137446a(16) =11180549786a(17) =44722199145a(18) =178888796582a(19) =715555186330
External references
- oeis: A037561