A010387 Squares mod 25.

0, 1, 4, 6, 9, 11, 14, 16, 19, 21, 24

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• fini
• full
• easy

Crossrefs

Cf. A028738.

Programs

Mathematica

Union[PowerMod[Range[25], 2, 25]] (* Alonso del Arte, Dec 25 2019 *)

Sage

[quadratic_residues(25)] # Zerinvary Lajos, May 24 2009

Scala

(1 to 25).map(n => (n * n) % 25).toSet.toSeq.sorted // Alonso del Arte, Dec 25 2019