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A004690 Fibonacci numbers written in base 7. 3
0, 1, 1, 2, 3, 5, 11, 16, 30, 46, 106, 155, 264, 452, 1046, 1531, 2610, 4441, 10351, 15122, 25503, 43625, 102431, 146356, 252120, 431506, 1013626, 1445435, 2462364, 4241132, 10033526, 14304661, 24341520 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

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

MATHEMATICA

Table[BaseForm[Fibonacci[n], 7], {n, 1, 20, 1}] (* Vladimir Joseph Stephan Orlovsky, Jul 23 2008 *)

FromDigits[IntegerDigits[#, 7]] & / @ Fibonacci[Range[0, 40]] (* Vincenzo Librandi, Jun 08 2013 *)

PROG

(PARI) a(n)=fromdigits(digits(fibonacci(n), 7)) \\ Charles R Greathouse IV, Oct 28 2014

(MAGMA) [Seqint(Intseq(Fibonacci(n), 7)): n in [0..50]]; // G. C. Greubel, Oct 09 2018

CROSSREFS

Cf. A000045 (Fibonacci), A007093 (numbers in base 7).

Sequence in context: A324855 A316467 A282238 * A001882 A044042 A175179

Adjacent sequences:  A004687 A004688 A004689 * A004691 A004692 A004693

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified September 16 06:38 EDT 2019. Contains 327090 sequences. (Running on oeis4.)