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A010411
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Squares mod 50.
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3
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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)
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OFFSET
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1,3
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LINKS
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Table of n, a(n) for n=1..22.
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MATHEMATICA
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Union[PowerMod[Range[50], 2, 50]]
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PROG
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(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
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CROSSREFS
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Row 50 of A096008.
Cf. A028763.
Sequence in context: A190373 A329784 A010387 * A047209 A138812 A332587
Adjacent sequences: A010408 A010409 A010410 * A010412 A010413 A010414
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KEYWORD
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nonn,fini,full,easy
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AUTHOR
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N. J. A. Sloane
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STATUS
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approved
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