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 A029742 Nonpalindromic numbers. 20
 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 100, 102, 103, 104, 105, 106, 107 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Complement of A002113; A136522(a(n)) = 0. A064834(a(n)) > 0. - Reinhard Zumkeller, Sep 18 2013 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 P. De Geest, World!Of Numbers MATHEMATICA palQ[n_]:=Module[{idn=IntegerDigits[n]}, idn==Reverse[idn]]; DeleteCases[ Range[10, 110], _?palQ] (* Harvey P. Dale, Jan 28 2012 *) Table[If[PalindromeQ[n], Nothing, n], {n, 120}] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jul 13 2019 *) PROG (Haskell) a029742 n = a029742_list !! (n-1) a029742_list = filter ((== 0) . a136522) [1..] -- Reinhard Zumkeller, Oct 09 2011 (MAGMA) [n: n in [0..150] | Intseq(n) ne Reverse(Intseq(n))]; // Bruno Berselli, Apr 01 2015 (PARI) is(n)=my(d=digits(n)); d!=Vecrev(d) \\ Charles R Greathouse IV, Feb 06 2017 CROSSREFS Cf. A002113. Different from A031955. Sequence in context: A139819 A288040 A031955 * A043638 A280824 A261907 Adjacent sequences:  A029739 A029740 A029741 * A029743 A029744 A029745 KEYWORD nonn,base,easy,nice AUTHOR EXTENSIONS Offset corrected by Reinhard Zumkeller, Oct 09 2011 STATUS approved

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Last modified October 19 21:28 EDT 2019. Contains 328244 sequences. (Running on oeis4.)