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 A118602 Start with 1 and repeatedly reverse the digits and add 21 to get the next term. 0
 1, 22, 43, 55, 76, 88, 109, 922, 250, 73, 58, 106, 622, 247, 763, 388, 904, 430, 55, 76, 88, 109, 922, 250, 73, 58, 106, 622, 247, 763, 388, 904, 430, 55, 76, 88, 109, 922, 250, 73, 58, 106, 622, 247, 763, 388, 904, 430, 55, 76, 88, 109, 922, 250, 73, 58 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS After 3 steps enters a cycle of length 15. LINKS N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki. Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1). MATHEMATICA NestList[IntegerReverse[#]+21&, 1, 120] (* or *) PadRight[{1, 22, 43}, 120, {388, 904, 430, 55, 76, 88, 109, 922, 250, 73, 58, 106, 622, 247, 763}] (* Harvey P. Dale, Apr 13 2017 *) CROSSREFS Cf. A117828, A117816, A117817. Sequence in context: A154087 A063327 A066957 * A215146 A086679 A019508 Adjacent sequences:  A118599 A118600 A118601 * A118603 A118604 A118605 KEYWORD base,nonn AUTHOR Luc Stevens (lms022(AT)yahoo.com), May 08 2006 EXTENSIONS Corrected by Harvey P. Dale, Apr 13 2017 STATUS approved

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Last modified August 1 03:52 EDT 2021. Contains 346384 sequences. (Running on oeis4.)