login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A035239 Smallest number that contains the numbers from 1 to n as substrings. 5
1, 12, 123, 1234, 12345, 123456, 1234567, 12345678, 123456789, 1023456789, 11023456789, 101123456789, 1011213456789, 10112131456789, 101121314156789, 1011213141516789, 10112131415161789, 101121314151617189 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..18.

D. Rusin, Solution for n=1000 [Broken link]

D. Rusin, Solution for n=1000 [Cached copy]

CROSSREFS

Cf. A054260, A054261.

Sequence in context: A113572 A037701 A037610 * A057137 A252043 A014824

Adjacent sequences:  A035236 A035237 A035238 * A035240 A035241 A035242

KEYWORD

easy,nonn,base

AUTHOR

Erich Friedman

EXTENSIONS

Keyword base added by Reinhard Zumkeller, May 16 2010

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified November 23 21:46 EST 2017. Contains 295141 sequences.