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!)
A093284 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 84. 0
0, 84, 924, 21008400, 99960, 88880488880, 50505008080800, 99999984, 999999924, 22222221008888888400, 99999999960, 88888888880488888888880, 55555550505008888888080800, 99999999999984, 999999999999924, 22222222222221008888888888888400, 99999999999999960 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..17.

Hans Havermann, Table of A093211-A093299

EXAMPLE

a(4) is 21008400 because its length-4 substrings (2100, 1008, 0084, 0840, 8400) are all distinct and divisible by 84 and there is no larger number with this property.

CROSSREFS

Cf. A093211, A093212, ..., A093299.

Sequence in context: A219719 A069080 A219577 * A027794 A219713 A027821

Adjacent sequences:  A093281 A093282 A093283 * A093285 A093286 A093287

KEYWORD

base,nonn

AUTHOR

Hans Havermann, Mar 29 2004

EXTENSIONS

a(11)-a(13) from John Cerkan, Jul 18 2017

a(14)-a(17) from John Cerkan, Jan 04 2018

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 September 26 23:44 EDT 2022. Contains 357051 sequences. (Running on oeis4.)