A004645 Powers of 2 written in base 6.

1, 2, 4, 12, 24, 52, 144, 332, 1104, 2212, 4424, 13252, 30544, 101532, 203504, 411412, 1223224, 2450452, 5341344, 15123132, 34250304, 112541012, 225522024, 455444052, 1355332144, 3155104332, 10354213104

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Mathematica

Table[FromDigits[IntegerDigits[2^n, 6]], {n, 0, 40}] (* Vincenzo Librandi, Jun 07 2013 *)

Prog

(PARI) a(n)=fromdigits(digits(2^n, 6)) \\ M. F. Hasler, Jun 23 2018
(Magma) [Seqint(Intseq(2^n, 6)): n in [0..30]]; // G. C. Greubel, Sep 10 2018

Crossrefs

Cf. A000079, A004642, ..., A004655: powers of 2 written in base 10, 3, 4, ..., 16

Cf. A000244, A004656, A004658, A004659, ... : powers of 3 written in base 10, 2, 4, 5, ...

Sequence in context: A328521 A133411 A201078 * A045687 A233411 A057422

Adjacent sequences: A004642 A004643 A004644 * A004646 A004647 A004648

Keyword

nonn,base,easy

Author

N. J. A. Sloane

Status

approved