%I A087012
%S A087012 1,3,4,5,8,10,11,12,13,15,20,22,23,24,25,26,31,34,35,37,49,50,52,53,57,
%T A087012 58,59,62,63,69,72,73,75,79,82,83,84,85,86,91,92,93,94,95,97,99,141,147,
%U A087012 148,149,152,153,164,165,168,175,176,182,183,187,188,189,200,244,245
%N A087012 Numbers n such that the number of primes of form 4n+1 between n and 2n 
               equals the number of primes of form 4n+3 between n and 2n (inclusive).
%Y A087012 Cf. A035250, A087010, A087011.
%Y A087012 Sequence in context: A066906 A125884 A001602 this_sequence A047366 A117483 
               A028288
%Y A087012 Adjacent sequences: A087009 A087010 A087011 this_sequence A087013 A087014 
               A087015
%K A087012 nonn
%O A087012 1,2
%A A087012 Jason Earls (zevi_35711(AT)yahoo.com), Jul 30 2003