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%I #10 Dec 25 2019 23:12:45
%S 2,3,5,7,8,10,11,12,13,14,15,17,18,20,22,23,26,27,28,29,30,32,33,35,
%T 37,38,40,41,42,43,44,45,47,48,50,52,53,55,56,57,58,59,60,62,63,65,67,
%U 68,70,71,72,73,74
%N Nonsquares mod 75.
%t Complement[Range[0, 74], PowerMod[Range[75], 2, 75]] (* _Alonso del Arte_, Dec 25 2019 *)
%o (Scala) (0 to 74).diff((1 to 75).map(n => (n * n) % 75))
%Y Cf. A010436.
%K nonn,fini,full,easy
%O 1,1
%A _N. J. A. Sloane_
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