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A061976 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 23 (most significant digit on right). 1

%I

%S 1,11,44,77,143,1364,7372,18131,22151,198967,275464,371731,544005,

%T 849277,1684689,2001879,2895915,3678653,4479352,5673591,6624420,

%U 6895647

%N Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 23 (most significant digit on right).

%C This sequence differs from A029540 in that all least significant zeros are kept during concatenation.

%C No more terms < 7*10^6. [Lars Blomberg, Jul 25 2011]

%H <a href="/index/N#concat">Index entries for related sequences</a>

%e See A061955 for example.

%Y Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.

%K nonn,base

%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(14)-a(22) from _Lars Blomberg_, Jul 25 2011

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Last modified February 21 03:06 EST 2019. Contains 320364 sequences. (Running on oeis4.)