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A033649
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Trajectory of 5 under map x->x + (x-with-digits-reversed).
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6
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5, 10, 11, 22, 44, 88, 176, 847, 1595, 7546, 14003, 44044, 88088, 176176, 847847, 1596595, 7553546, 14007103, 44177144, 88354288, 176599676, 853595347, 1597190705, 6668108656, 13236127322, 35608290553
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| Trajectories of 15, 21, 24, 30, 39, 42, 48, 51, 57, 60, 69, 75, 78, 84, 87, 93, 96, ..., merge into this sequence. - Robert G. Wilson v Dec 16 2005.
A Reverse and Add! sequence.
Trajectories of 13, 17, 20, 26, 31, 35, 40, 53, 62, 71, 79, 80, 97, ..., merge into this sequence. - Robert G. Wilson v Dec 16 2005.
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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@# &, 5, 29] (from Robert G. Wilson v, Dec 16 2005)
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PROG
| (Haskell)
a033649 n = a033649_list !! n
a033649_list = iterate a056964 5 -- Reinhard Zumkeller, Sep 22 2011
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CROSSREFS
| Cf. A006960, A001127, A033648, A033650, A033651.
Cf. A056964, A004086.
Sequence in context: A004757 A007527 A033894 * A050680 A162821 A059324
Adjacent sequences: A033646 A033647 A033648 * A033650 A033651 A033652
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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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