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 A261908 Numbers of the form |m - R(m)| for m in A035137, where R(m) denotes the digit-reversal of m. 1
 9, 90, 99, 180, 189, 270, 279, 360, 369, 450, 459, 540, 549, 630, 639, 720, 729, 810, 819, 900, 990, 999, 1089, 1179, 1269, 1359, 1449, 1539, 1629, 1719, 1728, 1800, 1809, 1908, 1980, 2079, 2088, 2268, 2358, 2448 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Created in an attempt to understand A035137. It would be nice to have an independent definition of these numbers. Obviously they are multiples of 9 - see A261909. LINKS EXAMPLE 21, 102, 1031 are some early terms in A035137, so this sequence contains 21-12=9, 201-102=99, 1301-1031=270. CROSSREFS Cf. A002113, A035137, A261909. Sequence in context: A078248 A186943 A217402 * A121029 A097256 A061478 Adjacent sequences:  A261905 A261906 A261907 * A261909 A261910 A261911 KEYWORD nonn,base AUTHOR N. J. A. Sloane, Sep 09 2015 STATUS approved

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Last modified April 9 19:36 EDT 2020. Contains 333362 sequences. (Running on oeis4.)