A023373 a(n+1) = a(n) converted to base 5 from base 4 (written in base 10).

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

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: A367187 A121541 A182305 * A078778 A037356 A139199

Adjacent sequences: A023370 A023371 A023372 * A023374 A023375 A023376

Keyword

nonn,base

Author

David W. Wilson

Status

approved