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A023373 a(n+1) = a(n) converted to base 5 from base 4 (written in base 10). 1
4, 5, 6, 7, 8, 10, 12, 15, 18, 27, 38, 57, 86, 157, 291, 678, 1557, 4406, 16332, 58515, 269028, 1976680, 16444560, 180744025, 3078792661, 81397457281, 4230590813376, 348816568612875, 68297288451850013, 26970387494194667541 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

John Cerkan, Table of n, a(n) for n = 1..56

MATHEMATICA

NestList[FromDigits[IntegerDigits[#, 4], 5]&, 4, 30]  (* Harvey P. Dale, Apr 21 2011 *)

CROSSREFS

Sequence in context: A182204 A121541 A182305 * A078778 A037356 A139199

Adjacent sequences:  A023370 A023371 A023372 * A023374 A023375 A023376

KEYWORD

nonn,base

AUTHOR

David W. Wilson

STATUS

approved

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Last modified May 14 10:15 EDT 2021. Contains 343880 sequences. (Running on oeis4.)