login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A029476 Numbers k that divide the (left) concatenation of all numbers <= k written in base 7 (most significant digit on left). 0
1, 3, 15, 16, 29, 48, 75, 144, 477, 6211, 16053, 32688, 40431, 66313, 129825, 134224, 278064, 366064, 386863, 3157824, 4446069, 6697664, 8354233, 28775616, 33559488, 34107072, 38339136, 50059629, 50280080, 71693520 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

No other terms below 10^8.

LINKS

Table of n, a(n) for n=1..30.

Index entries for related sequences

MATHEMATICA

b = 7; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[#, b], c], b], #] &] (* Robert Price, Mar 12 2020 *)(* Robert Price, Mar 12 2020 *)

CROSSREFS

Cf. A007093.

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

Sequence in context: A332961 A012634 A043060 * A154317 A291122 A323033

Adjacent sequences:  A029473 A029474 A029475 * A029477 A029478 A029479

KEYWORD

nonn,base

AUTHOR

Olivier Gérard

EXTENSIONS

More terms from 6211 from Andrew Gacek (andrew(AT)dgi.net), Feb 20 2000

More terms from Larry Reeves (larryr(AT)acm.org), Sep 29 2001

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

a(20)-a(30) from Max Alekseyev, May 13 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 29 23:00 EDT 2022. Contains 354913 sequences. (Running on oeis4.)