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A141521
Primes with a prime number of digits, all of which are distinct primes.
1
23, 37, 53, 73, 257, 523
OFFSET
1,1
MATHEMATICA
Sort[Select[FromDigits/@Flatten[Permutations/@Subsets[{2, 3, 5, 7}, {2, 3}], 1], PrimeQ]] (* Harvey P. Dale, Jul 08 2014 *)
CROSSREFS
Sequence in context: A129351 A179910 A124888 * A080906 A358421 A237766
KEYWORD
nonn,fini,full,base
AUTHOR
Lekraj Beedassy, Aug 11 2008
STATUS
approved