A033901 Sort then Add!.

21, 33, 66, 132, 255, 510, 525, 780, 858, 1446, 2892, 5181, 6339, 9708, 10497, 11976, 23655, 47211, 58458, 104046, 105492, 117951, 229530, 251889, 377778, 755556, 1311123, 2422356, 4645812, 5890380, 5926269, 8182968, 9451857, 10907646

Offset

1,1

Links

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

Formula

a(n)=A033898(n+1), n>1. [From R. J. Mathar, Oct 22 2008]

Mathematica

NestList[FromDigits[Sort[IntegerDigits[#]]]+#&, 21, 40] (* Harvey P. Dale, Feb 23 2023 *)

Crossrefs

Cf. A033860.

Sequence in context: A128283 A354837 A280878 * A033656 A270074 A350099

Adjacent sequences: A033898 A033899 A033900 * A033902 A033903 A033904

Keyword

nonn,base,easy

Author

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

Status

approved