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A061936 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 7 (most significant digit on right). 1
1, 3, 12, 27, 48, 72, 79, 363, 600, 1277, 1289, 1815, 15272, 18492, 38484, 83556, 87312, 148336, 205731, 222176, 420900, 549876, 607797, 624648, 716064, 5651851 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence differs from A029500 in that all least significant zeros are removed before concatenation.

No more terms < 10^7. [Lars Blomberg, Oct 17 2011]

LINKS

Table of n, a(n) for n=1..26.

Index entries for related sequences

EXAMPLE

See A061931 for example.

CROSSREFS

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

Sequence in context: A190904 A271183 A125614 * A074630 A033428 A213486

Adjacent sequences:  A061933 A061934 A061935 * A061937 A061938 A061939

KEYWORD

nonn,base

AUTHOR

Larry Reeves (larryr(AT)acm.org), May 24 2001

EXTENSIONS

Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002; Aug 25, 2002

a(23)-a(26) from Lars Blomberg, Oct 17 2011

STATUS

approved

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Last modified January 19 16:14 EST 2019. Contains 319307 sequences. (Running on oeis4.)