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 A029518 Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 25 (most significant digit on right). 141
 1, 3, 5, 9, 15, 21, 39, 83, 96, 288, 303, 864, 1824, 2421, 2496, 2592, 2817, 3328, 6299, 9440, 13632, 18592, 26049, 64857, 69696, 71904, 79872, 94848, 120384, 258111, 287232, 319319, 476736, 524992, 706368, 904281, 1817583, 2003520, 3156192, 4479904, 7460741 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS This sequence differs from A061954 in that all least significant zeros are kept during concatenation. LINKS Lars Blomberg, Table of n, a(n) for n = 1..42 Index entries for related sequences EXAMPLE See A029495 for example. MATHEMATICA b = 25; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, Reverse[IntegerDigits[#, b]]], b], #] &] (* Robert Price, Mar 13 2020 *) PROG (PARI) lista(nn, m=25) = my(s, t); for(k=1, nn, s=k; while(s, t=t*m+s%m; s\=m); if(t%k==0, print1(k, ", "))); \\ Jinyuan Wang, Dec 05 2020 CROSSREFS Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978. Sequence in context: A182185 A161388 A229552 * A061954 A095039 A022940 Adjacent sequences: A029515 A029516 A029517 * A029519 A029520 A029521 KEYWORD nonn,base AUTHOR Olivier Gérard EXTENSIONS More terms from Larry Reeves (larryr(AT)acm.org), May 25 2001 Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002 a(33) and beyond from Lars Blomberg, Oct 14 2011 STATUS approved

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Last modified June 5 16:06 EDT 2023. Contains 363137 sequences. (Running on oeis4.)