%I A057812
%S A057812 2,5,6,11,12,17,18,23,24,25,26,27,28,31,32,33,34,35,36,41,42,47,
%T A057812 48,49,50,51,52,59,60,67,68,69,70,73,74,75,76,77,78,83,84,85,86,
%U A057812 87,88,97,98,99,100,103,104,105,106,109,110,111,112,127,128,129
%N A057812 pi(n) is odd.
%Y A057812 Cf. A000720, A057811.
%Y A057812 Sequence in context: A015891 A160645 A026344 this_sequence A140144 A030130 
               A164874
%Y A057812 Adjacent sequences: A057809 A057810 A057811 this_sequence A057813 A057814 
               A057815
%K A057812 nonn
%O A057812 1,1
%A A057812 N. J. A. Sloane (njas(AT)research.att.com), Nov 07 2000