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%I A010382 #20 Dec 20 2019 20:44:18
%S A010382 0,1,4,5,9,16
%N A010382 Squares mod 20.
%C A010382 Range of A070442. - _Reinhard Zumkeller_, Apr 24 2009
%t A010382 Union[PowerMod[Range[20], 2, 20]] (* _Alonso del Arte_, Dec 20 2019 *)
%o A010382 (Sage) [quadratic_residues(20)] # _Zerinvary Lajos_, May 24 2009
%o A010382 (Scala) (1 to 20).map(n => (n * n) % 20).toSet.toSeq.sorted // _Alonso del Arte_, Dec 20 2019
%Y A010382 Cf. A010378, A010462, A010421. - _Reinhard Zumkeller_, Apr 24 2009
%Y A010382 Row 20 of A096008.
%Y A010382 Cf. A028733.
%K A010382 nonn,fini,full,easy
%O A010382 1,3
%A A010382 _N. J. A. Sloane_

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