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A033650
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Trajectory of 7 under map x --> x + (x-with-digits-reversed).
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7
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7, 14, 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; internal format)
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OFFSET
| 0,1
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COMMENTS
| A Reverse and Add! sequence.
Trajectories of 19, 23, 28, 29, 32, 37, 38, 41, 46, 47, 49, 50, ..., merge into this sequence. - Robert G. Wilson v Dec 16 2005.
A Reverse and Add! sequence.
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LINKS
| Reinhard Zumkeller, Table of n, a(n) for n = 0..250
Index entries for sequences related to Reverse and Add!
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MATHEMATICA
| NestList[ # + FromDigits@Reverse@IntegerDigits@# &, 7, 26] (* Robert G. Wilson v *)
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PROG
| (Haskell)
a033650 n = a033650_list !! n
a033650_list = iterate a056964 7 -- Reinhard Zumkeller, Sep 22 2011
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CROSSREFS
| Cf. A006960, A001127, A033648, A033649, A033651.
Cf. A056964, A004086.
Sequence in context: A045759 A166637 A170918 * A135536 A020700 A110496
Adjacent sequences: A033647 A033648 A033649 * A033651 A033652 A033653
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KEYWORD
| nonn,base
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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