%I A028765
%S A028765 2,3,5,6,7,8,10,11,14,15,18,19,20,21,22,23,24,26,27,28,
%T A028765 30,31,32,33,34,35,37,38,39,41,42,43,44,45,46,47,50,51
%N A028765 Nonsquares mod 52.
%Y A028765 Sequence in context: A072510 A084116 A137620 this_sequence A059870 A145353 
               A013936
%Y A028765 Adjacent sequences: A028762 A028763 A028764 this_sequence A028766 A028767 
               A028768
%K A028765 nonn,fini,full
%O A028765 1,1
%A A028765 N. J. A. Sloane (njas(AT)research.att.com).