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

1,1

COMMENTS

Primes such that A104260(n) is prime.

LINKS

Table of n, a(n) for n=1..54.

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

Cf. A071649, A104260.

Sequence in context: A325155 A038890 A227240 * A303705 A309520 A265687

Adjacent sequences:  A226014 A226015 A226016 * A226018 A226019 A226020

KEYWORD

nonn,base,less

AUTHOR

Jayanta Basu, May 23 2013

STATUS

approved

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Last modified November 19 22:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)