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A007396
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Add 2, then reverse digits!.
(Formerly M0983)
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1
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0, 2, 4, 6, 8, 1, 3, 5, 7, 9, 11, 31, 33, 53, 55, 75, 77, 97, 99, 101, 301, 303, 503, 505, 705, 707, 907, 909, 119, 121, 321, 323, 523, 525, 725, 727, 927, 929, 139, 141, 341, 343, 543, 545, 745, 747, 947, 949, 159, 161, 361, 363, 563, 565, 765, 767, 967, 969, 179
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| At 6, the sequence becomes periodic with period 81. [From T. D. Noe (noe(AT)sspectra.com), Oct 05 2008]
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REFERENCES
| J. Roberts, Lure of the Integers, Math. Assoc. America, 1992, p. 15.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| T. D. Noe, Table of n, a(n) for n=0..1000
Nick Hobson, Python program for this sequence
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MATHEMATICA
| s=0; Join[{s}, Table[s=FromDigits[Reverse[IntegerDigits[2+s]]], {100}]] [From T. D. Noe (noe(AT)sspectra.com), Oct 05 2008]
NestList[FromDigits[Reverse[IntegerDigits[#+2]]]&, 0, 100] (* From Harvey P. Dale, Mar 13 2011 *)
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CROSSREFS
| Cf. A117521 [From T. D. Noe (noe(AT)sspectra.com), Oct 05 2008]
Sequence in context: A133311 A088402 A077492 * A169910 A004519 A036839
Adjacent sequences: A007393 A007394 A007395 * A007397 A007398 A007399
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KEYWORD
| nonn,base,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| More terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net) and John W. Layman (layman(AT)math.vt.edu), Mar 27 2010
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