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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..6.

MATHEMATICA

Sort[Select[FromDigits/@Flatten[Permutations/@Subsets[{2, 3, 5, 7}, {2, 3}], 1], PrimeQ]] (* Harvey P. Dale, Jul 08 2014 *)

CROSSREFS

Cf. A124888, A124674.

Sequence in context: A129351 A179910 A124888 * A080906 A237766 A215163

Adjacent sequences:  A141518 A141519 A141520 * A141522 A141523 A141524

KEYWORD

nonn,fini,full,base

AUTHOR

Lekraj Beedassy, Aug 11 2008

STATUS

approved

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Last modified August 19 03:10 EDT 2022. Contains 356216 sequences. (Running on oeis4.)