%I A074766
%S A074766 2,1,0,1,2,5,2,7,6,3,6,3,6,7,4,9,4,11,10,11,14,13,10,21,10,11,18,21,24,
%T A074766 25,8,17,10,25,16,21,22,19,24,23,22,29,18,27,24,35,22,9,18,33,40,39,42,
%U A074766 37,32,31,24,41,34,37,46,35,24,33,42,43,28,27,24,41,44,37,32,37,30,39,
               32
%V A074766 -2,-1,0,1,2,5,2,7,6,3,6,3,6,7,4,9,4,11,10,11,14,13,10,21,10,11,18,21,
               24,
%W A074766 25,8,17,10,25,16,21,22,19,24,23,22,29,18,27,24,35,22,9,18,33,40,39,42,
%X A074766 37,32,31,24,41,34,37,46,35,24,33,42,43,28,27,24,41,44,37,32,37,30,39,
               32
%N A074766 Prime(2n)-2prime(n)-n.
%C A074766 Conjecture: p(2n)-2p(n) < 2n for all n.
%e A074766 a(9)=p(18)-2p(9)-9=61-2*23-9=6.
%Y A074766 A066066(n) - n.
%Y A074766 Sequence in context: A103528 A138352 A129620 this_sequence A138107 A089631 
               A129558
%Y A074766 Adjacent sequences: A074763 A074764 A074765 this_sequence A074767 A074768 
               A074769
%K A074766 sign
%O A074766 1,1
%A A074766 Werner Sand (werner.sand(AT)tiscalimail.de), Sep 29 2002