A004662 Powers of 3 written in base 8.

1, 3, 11, 33, 121, 363, 1331, 4213, 14641, 46343, 163251, 531773, 2015761, 6051723, 22175571, 66571153, 244153501, 754502703, 2705710511, 10521531733, 31765015621, 115737051263, 351635174031

Offset

0,2

Links

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

Mathematica

Table[FromDigits[IntegerDigits[3^n, 8]], {n, 0, 30}] (* Vincenzo Librandi, Jun 07 2013 *)

Prog

(PARI) vector(50, n, n--; fromdigits(digits(3^n, 8))) \\ G. C. Greubel, Oct 12 2018
(Magma) [Seqint(Intseq(3^n, 8)): n in [0..50]]; // G. C. Greubel, Oct 12 2018

Crossrefs

Cf. A000244 (powers of 3), A007094 (numbers in base 8).

Sequence in context: A295092 A032199 A018413 * A247103 A036542 A084266

Adjacent sequences: A004659 A004660 A004661 * A004663 A004664 A004665

Keyword

nonn,base,easy

Author

N. J. A. Sloane

Status

approved