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A023376 a(n+1) = a(n) converted to base 8 from base 4 (written in base 10). 1
4, 8, 16, 64, 512, 8192, 524288, 268435456, 4398046511104, 9223372036854775808, 19807040628566084398385987584, 2787593149816327892691964784081045188247552, 3291009114642412084309938365114701009965471731267159726697218048 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = 2^A061418(n). - John Cerkan, Nov 04 2016

LINKS

John Cerkan, Table of n, a(n) for n = 1..19

MATHEMATICA

NestList[FromDigits[IntegerDigits[#, 4], 8]&, 4, 15] (* Harvey P. Dale, Sep 24 2012 *)

CROSSREFS

Sequence in context: A102358 A038238 A230112 * A242966 A038110 A241197

Adjacent sequences:  A023373 A023374 A023375 * A023377 A023378 A023379

KEYWORD

nonn,base

AUTHOR

David W. Wilson

EXTENSIONS

One more term (a(13)) from Harvey P. Dale, Sep 24 2012

STATUS

approved

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Last modified July 13 15:18 EDT 2020. Contains 335688 sequences. (Running on oeis4.)