%I
%S 3,5,7,11,13,17,19,29,31,37,43,53,59,61,67,71,83,97,107,109,127,131,
%T 137,139,149,151,157,163,167,173,181,191,193,197,199,211,223,227,229,
%U 239,241,251,269,271,277,281,283,293,307,313,317,331,337,373,383,389,409
%N Primes of the form prime(2*k)  2*prime(k).
%C Primes in A066066.
%H R. Zumkeller, <a href="/A179740/b179740.txt">Table of n, a(n) for n = 1..1000</a>
%Y Cf. A031215, A100484.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Jul 25 2010
