A010409 - OEIS

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A010409

Squares mod 48.

%I #16 Dec 24 2019 13:14:45

%S 0,1,4,9,16,25,33,36

%N Squares mod 48.

%t Union[PowerMod[Range[48], 2, 48]] (* _Alonso del Arte_, Dec 24 2019 *)

%o (Sage) [quadratic_residues(48)] # _Zerinvary Lajos_, May 24 2009

%o (Scala) (1 to 48).map(n => (n * n) % 48).toSet.toSeq.sorted // _Alonso del Arte_, Dec 24 2019

%Y Cf. A028761.

%K nonn,fini,full,easy

%O 1,3

%A _N. J. A. Sloane_