%I A104635
%S A104635 1,3,5,9,11,15,21,23,29,33,35,39,41,51,53,63,65,69,75,81,83,89,95,99,
%T A104635 105,111,113,119,125,131,135,141,153,155,165,173,179,183,189,191,209,
%U A104635 215,219,221,231,233,239,243,245,249,251,261
%N A104635 Odd n such that 2n+1 is prime.
%C A104635 Cf. A005097, A104636
%Y A104635 Sequence in context: A006046 A161830 A151922 this_sequence A024903 A018486 
               A024414
%Y A104635 Adjacent sequences: A104632 A104633 A104634 this_sequence A104636 A104637 
               A104638
%K A104635 easy,nonn
%O A104635 1,2
%A A104635 Zak Seidov (zakseidov(AT)yahoo.com), Mar 18 2005