

A057883


Smallest possible prime with at least n (from 2 to 10) distinct digits that remains prime (leading zeros not allowed) when all occurrences of its digits d are deleted.


7




OFFSET

2,1


LINKS

Table of n, a(n) for n=2..10.
C. Rivera, PrimePuzzle 110
C. K. Caldwell, Prime Curios! 5600239
C. K. Caldwell, Prime Curios! 476710937.


EXAMPLE

E.g. 5600239 is solution for at least 6 digits because 56239, 560039, 560029, 600239, 500239 and 560023 are all primes.


CROSSREFS

Cf. A057876A057882, A051362, A034302A034305.
Sequence in context: A093806 A142679 A254758 * A160221 A042024 A141999
Adjacent sequences: A057880 A057881 A057882 * A057884 A057885 A057886


KEYWORD

nonn,base,fini,full


AUTHOR

Patrick De Geest, Oct 15 2000.


EXTENSIONS

More terms from Giovanni Resta, Feb 15 2006


STATUS

approved



