A010443 Squares mod 82.

0, 1, 2, 4, 5, 8, 9, 10, 16, 18, 20, 21, 23, 25, 31, 32, 33, 36, 37, 39, 40, 41, 42, 43, 45, 46, 49, 50, 51, 57, 59, 61, 62, 64, 66, 72, 73, 74, 77, 78, 80, 81

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• fini
• full
• easy

Crossrefs

Cf. A028795, A010402.

Programs

Mathematica

Union[PowerMod[Range[82], 2, 82]] (* Alonso del Arte, May 01 2020 *)

Sage

[quadratic_residues(82)] # Zerinvary Lajos, May 28 2009

Scala

(1 to 82).map(n => n * n % 82).toSet.toList.sorted // Alonso del Arte, May 01 2020