%N Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 18 (most significant digit on left).
%C No other terms below 10^8.
%H <a href="/index/N#concat">Index entries for related sequences</a>
%A _Olivier Gérard_
%E More terms from Andrew Gacek (andrew(AT)dgi.net), Feb 21 2000.
%E a(9) corrected by Larry Reeves (larryr(AT)acm.org), Jan 14 2002
%E Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002
%E a(10)-a(15) from _Max Alekseyev_, May 15 2011