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 A117521 Start with 1 and repeatedly reverse the digits and add 2 to get the next term. 11
 1, 3, 5, 7, 9, 11, 13, 33, 35, 55, 57, 77, 79, 99, 101, 103, 303, 305, 505, 507, 707, 709, 909, 911, 121, 123, 323, 325, 525, 527, 727, 729, 929, 931, 141, 143, 343, 345, 545, 547, 747, 749, 949, 951, 161, 163, 363, 365, 565, 567, 767, 769, 969, 971, 181, 183, 383, 385, 585, 587, 787, 789, 989, 991, 201, 104, 403, 306, 605, 508, 807, 710, 19, 93, 41, 16, 63, 38, 85, 60, 8, 10, 3, 5, 7, 9, 11, 13, 33, 35, 55, 57, 77, 79, 99, 101, 103, 303, 305, 505, 507, 707 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..102. 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1). FORMULA After 1 step enters a cycle of length 81. CROSSREFS Cf. A117831, A118514. Sequence in context: A239036 A024323 A118820 * A190053 A327209 A285590 Adjacent sequences: A117518 A117519 A117520 * A117522 A117523 A117524 KEYWORD nonn,base AUTHOR N. J. A. Sloane, following discussions with Luc Stevens, May 04 2006 STATUS approved

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Last modified May 18 15:59 EDT 2024. Contains 372664 sequences. (Running on oeis4.)