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A094317
Primes n with property that sum of digits that are primes is prime.
2
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
OFFSET
1,1
CROSSREFS
Cf. A094318.
Sequence in context: A347864 A137812 A216578 * A074834 A163998 A197299
KEYWORD
nonn,base
AUTHOR
Harvey Dale, May 31 2004
STATUS
approved