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 A029504 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 11 (most significant digit on right). 1
 1, 5, 15, 24, 40, 69, 72, 75, 120, 167, 216, 280, 360, 536, 1192, 1240, 1360, 11280, 25195, 33216, 33984, 101328, 221640, 400479, 531000, 537640, 600104, 631155, 743085, 958785, 2660431, 2777800 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS This sequence differs from A061940 in that all least significant zeros are kept during concatenation. No more terms < 10^7. - Lars Blomberg, Oct 06 2011 LINKS Table of n, a(n) for n=1..32. Index entries for related sequences EXAMPLE See A029495 for example. MATHEMATICA b = 11; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, Reverse[IntegerDigits[#, b]]], b], #] &] (* Robert Price, Mar 12 2020 *) CROSSREFS Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978. Sequence in context: A127256 A136139 A029480 * A354297 A066548 A075359 Adjacent sequences: A029501 A029502 A029503 * A029505 A029506 A029507 KEYWORD nonn,base,more AUTHOR Olivier Gérard EXTENSIONS Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002; Aug 25, 2002 a(27)-a(32) from Lars Blomberg, Oct 06 2011 STATUS approved

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Last modified September 16 07:48 EDT 2024. Contains 375959 sequences. (Running on oeis4.)