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A120215
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Start with 1057 and repeatedly reverse the digits and add 2 to get the next term.
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5
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1057, 7503, 3059, 9505, 5061, 1607, 7063, 3609, 9065, 5611, 1167, 7613, 3169, 9615, 5171, 1717, 7173, 3719, 9175, 5721, 1277, 7723, 3279, 9725, 5281, 1827, 7283, 3829, 9285, 5831, 1387, 7833, 3389, 9835, 5391, 1937, 7393, 3939, 9395, 5941, 1497, 7943, 3499, 9945, 5501
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OFFSET
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1,1
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COMMENTS
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Let T(S,Q) be the sequence obtained by starting with S and repeatedly reversing the digits and adding Q to get the next term. This is T(1057,2). 1057 is the first S for which T(S,2) reaches a cycle of length 45. The cycle is simply the first 45 terms, which then repeat. A full period is shown.
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LINKS
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Table of n, a(n) for n=1..45.
N. J. A. Sloane, Sequences of RADD type
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CROSSREFS
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Cf. A117521, A118514, A120214, A120216, A120217, A120218.
Sequence in context: A168627 A223294 A035858 * A202611 A035760 A107556
Adjacent sequences: A120212 A120213 A120214 * A120216 A120217 A120218
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KEYWORD
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nonn,base
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AUTHOR
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Klaus Brockhaus, Jun 11 2006
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STATUS
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approved
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