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A010461 Squares mod 100. 9
0, 1, 4, 9, 16, 21, 24, 25, 29, 36, 41, 44, 49, 56, 61, 64, 69, 76, 81, 84, 89, 96 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Range of A002015; subset of A122986. - Reinhard Zumkeller, Mar 21 2010

LINKS

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

MATHEMATICA

Union[PowerMod[Range[100], 2, 100]] (* Alonso del Arte, Dec 25 2019 *)

PROG

(Sage) [quadratic_residues(100)] # Zerinvary Lajos, May 28 2009

(PARI) A010461=Set(vector(100, n, n^2)%100) \\ M. F. Hasler, Mar 03 2014

(Scala) (1 to 100).map(n => (n * n) % 100).toSet.toSeq.sorted // Alonso del Arte, Dec 25 2019

(MAGMA) [n: n in [0..99] | IsSquare(R! n) where R:= ResidueClassRing(100)]; // Vincenzo Librandi, Dec 28 2019

CROSSREFS

Cf. A010382, A010411, A010462, A010421. - Reinhard Zumkeller, Mar 21 2010

Row 100 of A096008.

Cf. A028813.

Sequence in context: A313338 A313339 A313340 * A010421 A286069 A010445

Adjacent sequences:  A010458 A010459 A010460 * A010462 A010463 A010464

KEYWORD

nonn,fini,full,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified April 3 00:35 EDT 2020. Contains 333195 sequences. (Running on oeis4.)