A023366 - OEIS

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A023366

a(n+1) = a(n) converted to base 9 from base 2 (written in base 10).

1

2, 9, 730, 392742198, 530607474888327739862107983, 1046392143513809864001495584744706849479048806022858778035974681256735719917465327100

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

The next term has 267 digits. - Harvey P. Dale, Dec 22 2023

LINKS

John Cerkan, Table of n, a(n) for n = 1..8

MATHEMATICA

NestList[FromDigits[IntegerDigits[#, 2], 9]&, 2, 5] (* Harvey P. Dale, Dec 22 2023 *)

CROSSREFS

Sequence in context: A008322 A178391 A135361 * A000284 A208219 A208222

Adjacent sequences: A023363 A023364 A023365 * A023367 A023368 A023369

KEYWORD

nonn,base

AUTHOR

David W. Wilson

EXTENSIONS

a(6) from John Cerkan, Oct 23 2016

STATUS

approved