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

 

Logo

Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A054260 Smallest prime that contains all of the first n primes as substrings. 4
2, 23, 523, 2357, 112573, 511327, 1135217, 1113251719, 11171323519, 113171952923, 113171952923, 11131951723729, 11317237419529, 1131723294375419, 113172329541947437, 1131723294195343747, 1113172329419434753759 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The 10th and 11th terms are identical because the smallest prime containing all primes through 29 as substrings also happens to include 31. - Jon E. Schoenfield, Sep 10 2006

LINKS

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

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

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

CROSSREFS

Cf. A054261, A035239.

Sequence in context: A134355 A187656 A255907 * A053160 A167416 A053066

Adjacent sequences:  A054257 A054258 A054259 * A054261 A054262 A054263

KEYWORD

nonn,base,nice

AUTHOR

Patrick De Geest, Feb 15 2000

EXTENSIONS

More terms from Jon E. Schoenfield, Sep 10 2006, corrected Oct 01 2006

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 13 20:06 EST 2018. Contains 318087 sequences. (Running on oeis4.)