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A029524 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 7 (most significant digit on right). 1
1, 3, 9, 12, 36, 96, 128, 2267, 4031, 29416, 551444, 2033727, 2056797, 2477144, 7974180, 9482385 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence differs from A061960 in that all least significant zeros are removed before concatenation.

No more terms < 10^7. [Lars Blomberg, Sep 07 2011]

LINKS

Table of n, a(n) for n=1..16.

Index entries for related sequences

EXAMPLE

See A029519 for example.

CROSSREFS

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

Sequence in context: A244018 A261950 A137344 * A262539 A101537 A070353

Adjacent sequences:  A029521 A029522 A029523 * A029525 A029526 A029527

KEYWORD

nonn,base

AUTHOR

Olivier Gérard

EXTENSIONS

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

a(12)-a(16) from Lars Blomberg, Sep 07 2011

STATUS

approved

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Last modified January 20 03:32 EST 2019. Contains 319323 sequences. (Running on oeis4.)