A010440 Squares mod 79.

0, 1, 2, 4, 5, 8, 9, 10, 11, 13, 16, 18, 19, 20, 21, 22, 23, 25, 26, 31, 32, 36, 38, 40, 42, 44, 45, 46, 49, 50, 51, 52, 55, 62, 64, 65, 67, 72, 73, 76

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• fini
• full
• easy

Crossrefs

Cf. A028792.

Programs

Magma

[n: n in [0..78] | IsSquare(R! n) where R:= ResidueClassRing(79)]; // Vincenzo Librandi, Jan 23 2020

Mathematica

Union[PowerMod[Range[79], 2, 79]] (* Alonso del Arte, Jan 22 2020 *)

Sage

[quadratic_residues(79)] # Zerinvary Lajos, May 28 2009

Scala

(1 to 79).map(n => n * n % 79).toSet.toSeq.sorted // Alonso del Arte, Jan 22 2020