%I
%S 2,5,6,7,8,11,14,15,17,18,19,20,21,23,24,26,28,29,31,32,33,34,35,37,
%T 38,39,41,44,45,46,47,50,53,54,56,57,58,59,60,62,63,65,67,68,70,71,72,
%U 73,74,76,77
%N Nonsquares mod 78.
%K nonn,fini,full
%O 1,1
%A _N. J. A. Sloane_.