A023366 a(n+1) = a(n) converted to base 9 from base 2 (written in base 10).

2, 9, 730, 392742198, 530607474888327739862107983, 1046392143513809864001495584744706849479048806022858778035974681256735719917465327100

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