A010386 Squares mod 24.

0, 1, 4, 9, 12, 16

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• fini
• full
• easy

Crossrefs

Cf. A028737, A070446.

Programs

Maple

sort(convert({seq(i^2 mod 24,i=0..12)},list)); # Robert Israel, Apr 19 2017

Mathematica

Union[PowerMod[Range[24], 2, 24]] (* Alonso del Arte, Apr 06 2017 *)

Sage

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

Scala

(1 to 24).map(n => (n * n) % 24).toSet.toSeq.sorted // Alonso del Arte, Dec 24 2019