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A033657 Trajectory of 23 under map x->x + (x-with-digits-reversed). 0
23, 55, 110, 121, 242, 484, 968, 1837, 9218, 17347, 91718, 173437, 907808, 1716517, 8872688, 17735476, 85189247, 159487405, 664272356, 1317544822, 3602001953, 7193004016, 13297007933, 47267087164 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
FORMULA
a(n) = A033655(n-1) = A033650(n+1), n>1. - R. J. Mathar, Oct 22 2008
CROSSREFS
Sequence in context: A118603 A303891 A264117 * A305283 A166144 A007795
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified June 24 06:40 EDT 2024. Contains 373663 sequences. (Running on oeis4.)