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%I #26 Jul 04 2021 01:58:33
%S 1,5,25,31,1325,2875,1936775,4573295,36887975
%N Numbers k that divide the (left) concatenation of all numbers <= k written in base 6 (most significant digit on left).
%C No other terms below 10^8.
%H <a href="/index/N#concat">Index entries for related sequences</a>
%t b = 6; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[#, b], c], b], #] &] (* _Robert Price_, Mar 12 2020 *)
%Y Cf. A007092.
%Y Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
%K nonn,base,more
%O 1,2
%A _Olivier Gérard_
%E Corrected by Andrew Gacek (andrew(AT)dgi.net), Feb 20 2000
%E Corrected and more terms from Larry Reeves (larryr(AT)acm.org), May 24 2001
%E Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002
%E a(7)-a(9) from _Max Alekseyev_, May 13 2011
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