%I #14 Mar 09 2020 21:59:52
%S 1,25,64,67,1477,118531,421353,573333,799155
%N Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 17 (most significant digit on right).
%C This sequence differs from A029534 in that all least significant zeros are kept during concatenation.
%C No more terms < 8*10^6.
%H <a href="/index/N#concat">Index entries for related sequences</a>
%e See A061955 for example.
%t b = 17; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[Reverse[IntegerDigits[#, b]], c], b], #] &] (* _Robert Price_, Mar 09 2020 *)
%Y Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
%K nonn,base,more
%O 1,2
%A Larry Reeves (larryr(AT)acm.org), May 24 2001
%E Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002; Aug 25, 2002
%E a(9) from _Lars Blomberg_, Aug 04 2011
|