

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
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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: A187656 A350376 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



