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%I #17 Dec 22 2019 03:35:47
%S 0,1,4,5,9,12,16,20,25,33,36,37
%N Squares mod 44.
%t Union[PowerMod[Range[44], 2, 44]] (* _Alonso del Arte_, Dec 22 2019 *)
%o (Sage) [quadratic_residues(44)] # _Zerinvary Lajos_, May 24 2009
%o (Scala) (1 to 44).map(n => (n * n) % 44).toSet.toSeq.sorted // _Alonso del Arte_, Dec 22 2019
%Y Cf. A028757.
%K nonn,fini,full,easy
%O 1,3
%A _N. J. A. Sloane_
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