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A061933 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 4 (most significant digit on right). 1
1, 2, 3, 9, 15, 21, 162, 495, 614, 813, 174913, 240389, 704162 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence differs from A029497 in that all least significant zeros are removed before concatenation.

The next term is > 400000. - Larry Reeves, Jan 16, 2002

LINKS

Table of n, a(n) for n=1..13.

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: A294126 A091361 A092352 * A251239 A124881 A054416

Adjacent sequences:  A061930 A061931 A061932 * A061934 A061935 A061936

KEYWORD

nonn,base,more

AUTHOR

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

EXTENSIONS

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

One more term. Next term exceeds 10000000. Sean A. Irvine, Sep 03 2009

STATUS

approved

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Last modified October 16 13:32 EDT 2019. Contains 328093 sequences. (Running on oeis4.)