Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0.
A033140
Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0.
Terms
- a(0) =1a(1) =4a(2) =16a(3) =65a(4) =260a(5) =1040a(6) =4161a(7) =16644a(8) =66576a(9) =266305a(10) =1065220a(11) =4260880a(12) =17043521a(13) =68174084a(14) =272696336a(15) =1090785345a(16) =4363141380a(17) =17452565520a(18) =69810262081a(19) =279241048324
External references
- oeis: A033140