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A226017
Primes such that sum of odd digits is also prime.
0
3, 5, 7, 11, 23, 43, 47, 67, 83, 101, 113, 131, 137, 139, 151, 157, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 263, 283, 311, 313, 317, 331, 337, 353, 359, 373, 379, 397, 443, 463, 467, 487, 557, 571, 577, 593, 599, 607, 643, 647, 683, 719, 733, 739
OFFSET
1,1
COMMENTS
Primes such that A104260(n) is prime.
EXAMPLE
181 is a member since sum of odd digits=2.
MATHEMATICA
soQ[n_]:=PrimeQ[Total[Select[IntegerDigits[n], OddQ[#] &]]]; Select[Prime[Range[132]], soQ[#] &]
CROSSREFS
Sequence in context: A038890 A227240 A360567 * A303705 A309520 A344411
KEYWORD
nonn,base,less
AUTHOR
Jayanta Basu, May 23 2013
STATUS
approved