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%I #21 Jan 12 2024 06:35:44
%S 0,1,2,4,5,8,9,10,16,18,20,21,23,25,31,32,33,36,37,39,40
%N Squares mod 41.
%C A070463 sorted, duplicates removed. - _R. J. Mathar_, Jan 12 2024
%t Union[PowerMod[Range[41], 2, 41]] (* _Vincenzo Librandi_, Dec 27 2019 *)
%o (Sage) [quadratic_residues(41)] # _Zerinvary Lajos_, May 24 2009
%Y Cf. A010443.
%K nonn,fini,full
%O 1,3
%A _N. J. A. Sloane_
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