A033896 Sort then Add!.

9, 18, 36, 72, 99, 198, 387, 765, 1332, 2565, 5121, 6246, 8712, 9990, 10989, 12888, 25776, 51453, 64908, 69597, 126396, 250065, 252621, 374877, 722655, 948222, 1170711, 1281888, 2410776, 2535453, 4870008, 4874796, 9342585, 11688174, 22834962, 45069651

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

NestList[FromDigits[Sort[IntegerDigits[#]]]+#&, 9, 40] (* Harvey P. Dale, Aug 19 2014 *)

Prog

(Python)
from itertools import accumulate
def sta(anm1, _): return anm1 + int("".join(sorted(str(anm1))))
print(list(accumulate([9]*36, sta))) # Michael S. Branicky, Sep 18 2021

Crossrefs

Cf. A033860, A066711.

Sequence in context: A051063 A173942 A162689 * A195332 A005010 A245425

Adjacent sequences: A033893 A033894 A033895 * A033897 A033898 A033899

Keyword

nonn,base,easy

Author

N. J. A. Sloane, David W. Wilson

Status

approved