A028737 Nonsquares mod 24.

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

Offset

1,1

Comments

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

Links

Table of n, a(n) for n=1..18.

Mathematica

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

Prog

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

Crossrefs

Cf. A010386.

Sequence in context: A307295 A047587 A285420 * A371731 A109423 A028801

Adjacent sequences: A028734 A028735 A028736 * A028738 A028739 A028740

Keyword

nonn,fini,full,easy

Author

N. J. A. Sloane

Status

approved