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 A029524 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 7 (most significant digit on right). 1
 1, 3, 9, 12, 36, 96, 128, 2267, 4031, 29416, 551444, 2033727, 2056797, 2477144, 7974180, 9482385 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS This sequence differs from A061960 in that all least significant zeros are removed before concatenation. No more terms < 10^7. [Lars Blomberg, Sep 07 2011] LINKS EXAMPLE See A029519 for example. MATHEMATICA b = 7; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[IntegerReverse[#, b], b], c], b], #] &] (* Robert Price, Mar 13 2020 *) CROSSREFS Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978. Sequence in context: A244018 A261950 A137344 * A262539 A101537 A070353 Adjacent sequences:  A029521 A029522 A029523 * A029525 A029526 A029527 KEYWORD nonn,base AUTHOR EXTENSIONS Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002; Aug 25, 2002 a(12)-a(16) from Lars Blomberg, Sep 07 2011 STATUS approved

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Last modified May 11 03:49 EDT 2021. Contains 343784 sequences. (Running on oeis4.)