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%I #18 Dec 22 2019 03:36:47
%S 0,1,4,7,9,16,18,22,25,28,36,37,43,46,49,58
%N Squares mod 63.
%t Union[PowerMod[Range[63], 2, 63]] (* _Alonso del Arte_, Dec 21 2019 *)
%o (Sage) [quadratic_residues(63)] # _Zerinvary Lajos_, May 24 2009
%o (Scala) (1 to 63).map(n => (n * n) % 63).toSet.toSeq.sorted // _Alonso del Arte_, Dec 21 2019
%Y Row 63 of A096008.
%Y Cf. A028776.
%K nonn,fini,full,easy
%O 1,3
%A _N. J. A. Sloane_