OFFSET
1,1
COMMENTS
Primes whose decimal representation consists of three distinct digits, one appearing once, one appearing twice, and one appearing three times.
There are 3640 terms.
The subsequence of emirps begins 100411, since 114001 is prime; 100511, since 115001 is prime; 100999, since 999101 is prime; 101333, since 333101 is prime; 101701, since 107101 is prime; 101999, since 999101 is prime.
LINKS
Jason Kimberley, Table of n, a(n) for n = 1..3640 (complete sequence)
PROG
(Magma) A182092 := func<n|#Set(seq)eq 3 and Set(Multiplicities(SequenceToMultiset(seq)))eq{1, 2, 3} and IsPrime(n) where seq is IntegerToSequence(n)>;
[n:n in[10^5..10^6]|A182092(n)]; // Jason Kimberley, Nov 02 2012
CROSSREFS
KEYWORD
nonn,base,fini,easy,full
AUTHOR
Jonathan Vos Post, Apr 11 2012
STATUS
approved