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 A015991 Numbers such that ten iterations of Reverse and Add are needed to reach a palindrome. 1
 829, 928, 9059, 9149, 9239, 9329, 9419, 9509, 9599, 9689, 9779, 9869, 9959, 10634, 10637, 10687, 10716, 10808, 10834, 10838, 10867, 10873, 10898, 10927, 10979, 11398, 11624, 11627, 11677, 11706, 11824, 11828, 11857, 11863, 11888 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The number of iterations starts at 1, so palindromes (cf. A002113) are not excluded. The corresponding sequence excluding palindromes is A065215. LINKS Table of n, a(n) for n=1..35. Index entries for sequences related to Reverse and Add! MATHEMATICA tiraQ[n_]:=Rest[Boole[PalindromeQ/@NestList[#+IntegerReverse[#]&, n, 10]]]=={0, 0, 0, 0, 0, 0, 0, 0, 0, 1}; Select[Range[12000], tiraQ] (* Harvey P. Dale, May 11 2019 *) CROSSREFS Cf. A002113. Different from A065215. Sequence in context: A226536 A099052 A238024 * A065215 A252988 A252415 Adjacent sequences: A015988 A015989 A015990 * A015992 A015993 A015994 KEYWORD nonn,base AUTHOR Robert G. Wilson v STATUS approved

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Last modified June 2 08:51 EDT 2023. Contains 363092 sequences. (Running on oeis4.)