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 A090062 There is (presumably) one and only one palindrome in the Reverse and Add! trajectory of n. 0
 89, 98, 167, 187, 266, 286, 365, 385, 479, 563, 578, 583, 662, 677, 682, 749, 761, 776, 779, 781, 829, 860, 869, 875, 880, 899, 928, 947, 968, 974, 977, 998, 1077, 1093, 1098, 1167, 1183, 1188, 1257, 1273, 1278, 1297, 1347, 1363, 1368, 1387, 1396, 1397, 1437 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS For terms < 2000 the only palindrome is reached from the start in at most 24 steps; thereafter no further palindrome is reached in 2000 steps. LINKS Table of n, a(n) for n=1..49. Index entries for sequences related to Reverse and Add! EXAMPLE The trajectory of 479 begins 479, 1453, 4994, 9988, 18887, ...; at 9988 it joins the (presumably) palindrome-free trajectory of A063048(3) = 1997, hence 4994 is the only palindrome in the trajectory of 479 and 479 is a term. CROSSREFS Cf. A023108, A023109, A065001, A070742, A077594. Sequence in context: A178917 A159026 A256240 * A166370 A240510 A039437 Adjacent sequences: A090059 A090060 A090061 * A090063 A090064 A090065 KEYWORD nonn,base AUTHOR Klaus Brockhaus, Nov 20 2003 STATUS approved

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Last modified August 3 21:27 EDT 2024. Contains 374905 sequences. (Running on oeis4.)