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A010411 Squares mod 50. 3
0, 1, 4, 6, 9, 11, 14, 16, 19, 21, 24, 25, 26, 29, 31, 34, 36, 39, 41, 44, 46, 49 (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[50], 2, 50]]

PROG

(Sage) [quadratic_residues(50)] # Zerinvary Lajos, May 24 2009

(Scala) (1 to 50).map(n => (n * n) % 50).toSet.toSeq.sorted // Alonso del Arte, Dec 25 2019

(MAGMA) [ n: n in [0..49] | IsSquare(R! n) where R:= ResidueClassRing(50)]; // Vincenzo Librandi, Dec 28 2019

CROSSREFS

Row 50 of A096008.

Cf. A028763.

Sequence in context: A190373 A329784 A010387 * A047209 A138812 A332587

Adjacent sequences:  A010408 A010409 A010410 * A010412 A010413 A010414

KEYWORD

nonn,fini,full,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified April 19 17:46 EDT 2021. Contains 343117 sequences. (Running on oeis4.)