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A029523 Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 6 (most significant digit on right). 1
1, 5, 19, 35, 55, 85, 505, 12047, 113935, 1107173 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence differs from A061959 in that all least significant zeros are removed before concatenation.

No more terms < 10^7. [Lars Blomberg, Sep 05 2011]

LINKS

Table of n, a(n) for n=1..10.

Index entries for related sequences

EXAMPLE

See A029519 for example.

MATHEMATICA

b = 6; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[IntegerReverse[#, b], b], c], b], #] &] (* Robert Price, Mar 13 2020 *)

CROSSREFS

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

Sequence in context: A324557 A255413 A031041 * A289289 A213631 A242589

Adjacent sequences: A029520 A029521 A029522 * A029524 A029525 A029526

KEYWORD

nonn,base

AUTHOR

Olivier Gérard

EXTENSIONS

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

Additional comments from Larry Reeves (larryr(AT)acm.org), May 25 2001

a(8)-a(9) from Larry Reeves (larryr(AT)acm.org), Jun 11 2001

a(10) from Lars Blomberg, Sep 05 2011

STATUS

approved

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Last modified December 9 00:20 EST 2022. Contains 358698 sequences. (Running on oeis4.)