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A061959 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 6 (most significant digit on right). 1
1, 5, 259, 1127, 29795, 7305695 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence differs from A029523 in that all least significant zeros are kept during concatenation.

No more terms < 10^7.

LINKS

Table of n, a(n) for n=1..6.

Index entries for related sequences

EXAMPLE

See A061955 for example.

MATHEMATICA

b = 6; c = {}; Select[Range[10^4], Divisible[FromDigits[

c = Join[Reverse[IntegerDigits[#, b]], c], b], #] &] (* Robert Price, Mar 07 2020 *)

CROSSREFS

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

Sequence in context: A216849 A201606 A139000 * A002554 A003383 A195575

Adjacent sequences:  A061956 A061957 A061958 * A061960 A061961 A061962

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(6) from Lars Blomberg, Aug 25 2011

STATUS

approved

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Last modified May 26 08:39 EDT 2020. Contains 334620 sequences. (Running on oeis4.)