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A061949 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 20 (most significant digit on right). 2
1, 2, 4, 5, 6, 10, 12, 14, 18, 19, 57, 119, 133, 209, 399, 437, 633, 1102, 3517, 5719, 29849, 38532, 42759, 198639, 247801, 421591, 566561, 819185, 6781309 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence differs from A029513 in that all least significant zeros are removed before concatenation.

No more terms < 10^7. [Lars Blomberg, Oct 25 2011]

LINKS

Table of n, a(n) for n=1..29.

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: A029465 A014871 A029513 * A233413 A128167 A162534

Adjacent sequences:  A061946 A061947 A061948 * A061950 A061951 A061952

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(28)-a(29) from Lars Blomberg, Oct 25 2011

STATUS

approved

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Last modified October 17 22:28 EDT 2019. Contains 328134 sequences. (Running on oeis4.)