Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,0,3.
A037730
Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,0,3.
Terms
- a(0) =2a(1) =9a(2) =36a(3) =147a(4) =590a(5) =2361a(6) =9444a(7) =37779a(8) =151118a(9) =604473a(10) =2417892a(11) =9671571a(12) =38686286a(13) =154745145a(14) =618980580a(15) =2475922323a(16) =9903689294a(17) =39614757177a(18) =158459028708a(19) =633836114835
External references
- oeis: A037730