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

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A054261 Smallest number that contains the first n primes as substrings. 5
2, 23, 235, 2357, 112357, 113257, 1131725, 113171925, 1131719235, 113171923295, 113171923295, 1131719237295, 11317237294195, 1131723294194375, 113172329419437475, 1131723294194347537, 113172329419434753759 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The version that allows substrings to go from left to right or right to left is A240959. - Dmitry Kamenetsky, Oct 07 2015

LINKS

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

Carlos Rivera, Puzzle 408

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

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

CROSSREFS

Cf. A054260, A035239, A240959.

Sequence in context: A098739 A091762 A240959 * A019518 A048677 A132933

Adjacent sequences:  A054258 A054259 A054260 * A054262 A054263 A054264

KEYWORD

nonn,base,nice

AUTHOR

Patrick De Geest, Feb 15 2000

EXTENSIONS

More terms from Naohiro Nomoto, Jul 26 2001

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 December 11 08:51 EST 2016. Contains 279051 sequences.