A028737 Nonsquares mod 24.

2, 3, 5, 6, 7, 8, 10, 11, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• fini
• full
• easy

Comments

The first 18 terms of A092206. - R. J. Mathar, Mar 21 2023

Crossrefs

Cf. A010386.

Programs

Mathematica

Complement[Range[0, 23], PowerMod[Range[0, 23], 2, 24]] (* Alonso del Arte, Nov 24 2019 *)

Scala

val squaresMod24 = (0 to 23).map(n => n * n).map(_ % 24)
(0 to 23).diff(squaresMod24) // Alonso del Arte, Nov 24 2019