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 A118571 Sophie Germain primes whose sum of digits is a prime. 2
 2, 3, 5, 11, 23, 29, 41, 83, 89, 113, 131, 173, 179, 191, 281, 359, 443, 593, 641, 683, 719, 809, 911, 953, 1013, 1019, 1031, 1103, 1439, 1451, 1499, 1583, 1811, 1901, 2003, 2063, 2069, 2339, 2351, 2393, 2399, 2753, 2939, 3299, 3329, 3389, 3413, 3491, 3761 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Amiram Eldar, Table of n, a(n) for n = 1..10000 EXAMPLE 191 is in the sequence because it is a Sophie Germain prime and the sum of its digits 1+9+1 = 11 is a prime. MATHEMATICA Select[Range[4000], PrimeQ[#] && PrimeQ[2*# + 1] && PrimeQ[Plus @@ IntegerDigits[#]] &] (* Amiram Eldar, Feb 08 2021 *) CROSSREFS Intersection of A005384 and A028834. Subsequence of A046704. Sequence in context: A214196 A246857 A005384 * A118504 A215714 A038905 Adjacent sequences:  A118568 A118569 A118570 * A118572 A118573 A118574 KEYWORD base,nonn AUTHOR Luc Stevens (lms022(AT)yahoo.com), May 07 2006 STATUS approved

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Last modified April 10 16:16 EDT 2021. Contains 342845 sequences. (Running on oeis4.)