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A094317 Primes n with property that sum of digits that are primes is prime. +0
3
2, 3, 5, 7, 13, 17, 23, 29, 31, 43, 47, 59, 67, 71, 79, 83, 97, 103, 107, 113, 131, 139, 151, 163, 167, 179, 193, 197, 211, 223, 227, 239, 241, 251, 263, 269, 281, 283, 293, 311, 337, 349, 353, 373, 389, 421, 431, 439, 443, 463, 467, 479, 487, 509 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A094318.

Sequence in context: A005109 A080608 A137812 this_sequence A074834 A089438 A155777

Adjacent sequences: A094314 A094315 A094316 this_sequence A094318 A094319 A094320

KEYWORD

nonn,base

AUTHOR

Harvey Dale, May 31 2004

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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