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A118536
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Start with 1 and repeatedly reverse the digits and add 36 to get the next term.
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1
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1, 37, 109, 937, 775, 613, 352, 289, 1018, 8137, 7354, 4573, 3790, 1009, 9037, 7345, 5473, 3781, 1909, 9127, 7255, 5563, 3691, 1999, 10027, 72037, 73063, 36073, 37099, 99109, 90235, 53245, 54271, 17281, 18307, 70417, 71443, 34453, 35479, 97489, 98515, 51625
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OFFSET
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1,2
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COMMENTS
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This is the first known example of a sequence from this family which reaches a cycle of length 2.
That cycle begins at a(407) and is (64, 82). - Harvey P. Dale, Apr 12 2013
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LINKS
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T. D. Noe, Table of n, a(n) for n = 1..500
N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki.
Index entries for linear recurrences with constant coefficients, signature (0, 1).
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FORMULA
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After 406 steps enters a cycle of length 2.
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MATHEMATICA
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NestList[FromDigits[Reverse[IntegerDigits[#]]]+36&, 1, 500] (* Harvey P. Dale, Apr 12 2013 *)
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CROSSREFS
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Cf. A117828, A117816, A117817.
Sequence in context: A033215 A195316 A176549 * A003164 A304612 A138638
Adjacent sequences: A118533 A118534 A118535 * A118537 A118538 A118539
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KEYWORD
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nonn,base
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AUTHOR
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Luc Stevens (lms022(AT)yahoo.com), May 07 2006
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EXTENSIONS
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Corrected by Harvey P. Dale, Apr 12 2013
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STATUS
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approved
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