%I A071581
%S A071581 3,5,7,6,6,8,7,9,6,4,6,4,3,10,9,4,2,8,6,5,4,9,6,3,4,4,2,2,4,11,2,2,0,2,
%T A071581 0,1,0,2,5,0,2,0,7,5,4,2,10,14,14,12,0,3,4,10,9,14,16,3,8
%V A071581 3,5,7,6,6,8,7,9,6,4,6,4,3,10,9,4,2,8,6,5,4,9,6,3,-4,-4,-2,2,4,11,2,2,
               0,2,0,1,0,-2,5,
%W A071581 0,-2,0,-7,-5,-4,-2,-10,-14,-14,-12,0,-3,-4,-10,-9,-14,-16,-3,-8
%N A071581 A003656(n)-prime(n).
%C A071581 a(n)=0 for n = 33, 35, 37, 40, 42, 51 ...
%Y A071581 Sequence in context: A077129 A073409 A151548 this_sequence A084393 A100005 
               A130159
%Y A071581 Adjacent sequences: A071578 A071579 A071580 this_sequence A071582 A071583 
               A071584
%K A071581 more,sign
%O A071581 1,1
%A A071581 Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 01 2002