A023381 a(n+1) = a(n) converted to base 8 from base 5 (written in base 10).

5, 8, 11, 17, 26, 65, 152, 578, 2243, 13595, 136928, 2998403, 174466115, 28477359896, 19337050327073, 144515706183103139, 10653202726476848136212, 21365388661232868517558200530, 2895720987277797407056788297006319688

Offset

1,1

Links

John Cerkan, Table of n, a(n) for n = 1..31

Mathematica

NestList[FromDigits[IntegerDigits[#, 5], 8]&, 5, 20] (* Harvey P. Dale, May 07 2012 *)

Crossrefs

Sequence in context: A162939 A314394 A056955 * A314395 A314396 A314397

Adjacent sequences: A023378 A023379 A023380 * A023382 A023383 A023384

Keyword

nonn

Author

David W. Wilson

Status

approved