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A033903
Sort then Add!.
1
27, 54, 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
OFFSET
1,1
LINKS
MATHEMATICA
NestList[#+FromDigits[Sort[IntegerDigits[#]]]&, 27, 40] (* Harvey P. Dale, May 21 2023 *)
CROSSREFS
Cf. A033860.
Sequence in context: A305548 A306824 A043323 * A175806 A232922 A306761
KEYWORD
nonn,base,easy
STATUS
approved