A010436 Squares mod 75.

0, 1, 4, 6, 9, 16, 19, 21, 24, 25, 31, 34, 36, 39, 46, 49, 51, 54, 61, 64, 66, 69

Offset

1,3

Links

Table of n, a(n) for n=1..22.

Mathematica

Union[PowerMod[Range[75], 2, 75]] (* Alonso del Arte, Dec 25 2019 *)

Prog

(Sage) [quadratic_residues(75)] # Zerinvary Lajos, May 28 2009
(Scala) (1 to 75).map(n => (n * n) % 75).toSet.toSeq.sorted // Alonso del Arte, Dec 25 2019

Crossrefs

Cf. A028788.

Sequence in context: A085648 A300131 A045114 * A085955 A266346 A181018

Adjacent sequences: A010433 A010434 A010435 * A010437 A010438 A010439

Keyword

nonn,fini,full,easy

Author

N. J. A. Sloane

Status

approved