%I A034849
%S A034849 7,11,17,19,23,29,31,41,43,47,53,59,67,71,79,83,89,97,101,103,107,109,
%T A034849 113,127,131,137,139,149,151,163,167,173,179,181,191,197,199,211,223,
%U A034849 227,229,233,239,241,251,257,263,269,271,281,283,293,307,311,317,331
%N A034849 a(n) = P(n,2) = 1+2*K(n,2)=1+2*A034784(n). P(n,2) are special odd primes. 
               The values of k are given by A034784. See that e.g. 13,37,61,73,157,
               541 etc. are not in this sequence.
%Y A034849 Cf. A034693, A034694, A034784.
%Y A034849 Sequence in context: A147956 A163996 A117743 this_sequence A106070 A038880 
               A019365
%Y A034849 Adjacent sequences: A034846 A034847 A034848 this_sequence A034850 A034851 
               A034852
%K A034849 nonn
%O A034849 1,1
%A A034849 Labos E. (labos(AT)ana.sote.hu)