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A033674 Trajectory of 99 under map x->x + (x-with-digits-reversed). 0
99, 198, 1089, 10890, 20691, 40293, 79497, 158994, 658845, 1207701, 2284722, 4559544, 9019098, 17928207, 88211178, 175322466, 839546037, 1570191975, 7362102726, 13634115363, 49985258994, 99970517988 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..21.

Index entries for sequences related to Reverse and Add!

FORMULA

a(n)=A033659(n+1). [From R. J. Mathar, Oct 22 2008]

MATHEMATICA

NestList[IntegerReverse[#]+#&, 99, 30] (* The program uses the IntegerReverse function from Mathematica version 10 *) (* Harvey P. Dale, Dec 05 2015 *)

CROSSREFS

Sequence in context: A235228 A157947 A097599 * A043526 A031500 A044431

Adjacent sequences:  A033671 A033672 A033673 * A033675 A033676 A033677

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 1 21:56 EDT 2022. Contains 354975 sequences. (Running on oeis4.)