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 A118220 Start with 1 and repeatedly reverse the digits and add 72 to get the next term. 0
 1, 73, 109, 973, 451, 226, 694, 568, 937, 811, 190, 163, 433, 406, 676, 748, 919, 991, 271, 244, 514, 487, 856, 730, 109, 973, 451, 226, 694, 568, 937, 811, 190, 163, 433, 406, 676, 748, 919, 991, 271, 244, 514, 487, 856, 730, 109, 973, 451, 226, 694, 568 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS After 2 steps enters a cycle of length 22. LINKS N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki. MATHEMATICA NestList[IntegerReverse[#]+72&, 1, 60] (* Requires Mathematica version 10 or later *) (* or *) PadRight[{1, 73}, 60, {856, 730, 109, 973, 451, 226, 694, 568, 937, 811, 190, 163, 433, 406, 676, 748, 919, 991, 271, 244, 514, 487}] (* Harvey P. Dale, Apr 15 2020 *) CROSSREFS Cf. A117828, A117816, A117817. Sequence in context: A180522 A238679 A157120 * A144050 A087878 A142196 Adjacent sequences:  A118217 A118218 A118219 * A118221 A118222 A118223 KEYWORD base,nonn,less AUTHOR Luc Stevens (lms022(AT)yahoo.com), May 14 2006 EXTENSIONS Corrected by Harvey P. Dale, Apr 15 2020 STATUS approved

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Last modified September 24 07:49 EDT 2021. Contains 347623 sequences. (Running on oeis4.)