%I A028785
%S A028785 2,3,5,6,7,8,10,11,12,13,14,15,17,18,19,20,21,22,23,24,
%T A028785 26,27,29,30,31,32,33,34,35,37,38,39,41,42,43,44,45,46,
%U A028785 47,48,50,51,53,54,55,56,57,58,59,60,61,62,63,65,66,67
%N A028785 Nonsquares mod 72.
%Y A028785 Sequence in context: A000037 A028761 A028809 this_sequence A166546 A167759 
               A028812
%Y A028785 Adjacent sequences: A028782 A028783 A028784 this_sequence A028786 A028787 
               A028788
%K A028785 nonn,fini,full
%O A028785 1,1
%A A028785 N. J. A. Sloane (njas(AT)research.att.com).