A100929 - OEIS

%I #3 Mar 30 2012 18:50:48

%S 10,14,15,21,22,25,33,35,46,55,69,77,94,115,118,121,141,145,161,166,

%T 177,203,205,214,235,249,253,265,287,295,319,321,334,358,371,415,445,

%U 451,454,501,517,526,529,535,537,565,581,583,623,649,655,667,681,694,718

%N Sophie Germain primes multiplied by a safe primes.

%C a(n) = A005385(i) * A005384(j) for some i, j;

%C subsequence of A001358.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SophieGermainPrime.html">Sophie Germain Prime</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Semiprime.html">Semiprime</a>

%Y Cf. A100930.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Nov 22 2004