A023389 a(n+1) = a(n) converted to base 9 from base 7 (written in base 10).

7, 9, 11, 13, 15, 19, 23, 29, 37, 47, 59, 93, 137, 211, 343, 729, 1513, 3133, 8077, 21435, 70255, 243939, 1085583, 5931677, 43738095, 406863821, 4668281037, 71095945599, 1434858502437, 47306783952687, 2415226651498341, 204771657238889285

Offset

1,1

Links

John Cerkan, Table of n, a(n) for n = 1..65

Mathematica

NestList[FromDigits[IntegerDigits[#, 7], 9]&, 7, 40] (* Harvey P. Dale, Nov 07 2013 *)

Crossrefs

Sequence in context: A193071 A329112 A347886 * A248963 A221636 A162018

Adjacent sequences: A023386 A023387 A023388 * A023390 A023391 A023392

Keyword

nonn,base

Author

David W. Wilson

Status

approved