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A010421 Squares mod 60. 7
0, 1, 4, 9, 16, 21, 24, 25, 36, 40, 45, 49 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Range of A159852. - Reinhard Zumkeller, Apr 24 2009

LINKS

Table of n, a(n) for n=1..12.

MATHEMATICA

Union[PowerMod[Range[60], 2, 60]] (* Alonso del Arte, Jan 03 2020 *)

PROG

(Sage) [quadratic_residues(60)] # Zerinvary Lajos, May 24 2009

(Scala) (1 to 60).map(n => n * n % 60).toSet.toSeq.sorted // Alonso del Arte, Jan 03 2020

(MAGMA) [n: n in [0..59] | IsSquare(R! n) where R:= ResidueClassRing(60)]; // Vincenzo Librandi, Jan 05 2020

CROSSREFS

Cf. A010378, A010382, A010462. - Reinhard Zumkeller, Apr 24 2009

Row 60 of A096008.

Cf. A028773.

Sequence in context: A313339 A313340 A010461 * A286069 A010445 A155570

Adjacent sequences:  A010418 A010419 A010420 * A010422 A010423 A010424

KEYWORD

nonn,fini,full,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified June 7 05:20 EDT 2020. Contains 334837 sequences. (Running on oeis4.)