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A010436 Squares mod 75. 1
0, 1, 4, 6, 9, 16, 19, 21, 24, 25, 31, 34, 36, 39, 46, 49, 51, 54, 61, 64, 66, 69 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 15 16:06 EDT 2021. Contains 348033 sequences. (Running on oeis4.)