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A118512
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Define sequence S_m by: initial term = m, reverse digits and add 1 to get next term. Entry shows S_11. This reaches a cycle of length 9 in 18 steps.
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3
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11, 12, 22, 23, 33, 34, 44, 45, 55, 56, 66, 67, 77, 78, 88, 89, 99, 100, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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NestList[FromDigits[Reverse[IntegerDigits[#]]]+1&, 11, 90] (* Harvey P. Dale, Oct 16 2011 *)
Join[{11, 12, 22, 23, 33, 34, 44, 45, 55, 56, 66, 67, 77, 78, 88, 89, 99, 100}, LinearRecurrence[{0, 0, 0, 0, 0, 0, 0, 0, 1}, {2, 3, 4, 5, 6, 7, 8, 9, 10}, 72]] (* Ray Chandler, Jul 18 2015 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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