A010444 Squares mod 83.

0, 1, 3, 4, 7, 9, 10, 11, 12, 16, 17, 21, 23, 25, 26, 27, 28, 29, 30, 31, 33, 36, 37, 38, 40, 41, 44, 48, 49, 51, 59, 61, 63, 64, 65, 68, 69, 70, 75, 77, 78, 81

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• fini
• full
• easy

Crossrefs

Cf. A028796.

Programs

Magma

[n: n in [0..82] | IsSquare(R! n) where R := ResidueClassRing(83)]; // Vincenzo Librandi, Jan 24 2020

Mathematica

Union[PowerMod[Range[83], 2, 83]] (* Alonso del Arte, Jan 23 2020 *)

Sage

[quadratic_residues(83)] # Zerinvary Lajos, May 28 2009

Scala

(1 to 83).map(n => n * n % 83).toSet.toSeq.sorted // Alonso del Arte, Jan 23 2020