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A061938 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 9 (most significant digit on right). 1
1, 3, 13, 32, 179, 4543, 5585, 11248, 16775, 29600, 56560, 444473, 4158800 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence differs from A029502 in that all least significant zeros are removed before concatenation.

No more terms < 10^7. [Lars Blomberg, Oct 20 2011]

LINKS

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

Index entries for related sequences

EXAMPLE

See A061931 for example.

MATHEMATICA

b = 9; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, IntegerDigits[IntegerReverse[#, b], b]], b], #] &] (* Robert Price, Mar 08 2020 *)

CROSSREFS

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

Sequence in context: A301926 A211800 A218922 * A168375 A032586 A147137

Adjacent sequences:  A061935 A061936 A061937 * A061939 A061940 A061941

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

a(12)-a(13) from Lars Blomberg, Oct 20 2011

STATUS

approved

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Last modified May 26 17:02 EDT 2020. Contains 334630 sequences. (Running on oeis4.)