Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,0.
A037660
Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,0.
Terms
- a(0) =3a(1) =13a(2) =52a(3) =211a(4) =845a(5) =3380a(6) =13523a(7) =54093a(8) =216372a(9) =865491a(10) =3461965a(11) =13847860a(12) =55391443a(13) =221565773a(14) =886263092a(15) =3545052371a(16) =14180209485a(17) =56720837940a(18) =226883351763a(19) =907533407053
External references
- oeis: A037660