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A010413 Squares mod 52. 1
0, 1, 4, 9, 12, 13, 16, 17, 25, 29, 36, 40, 48, 49 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..14.

MATHEMATICA

Union[PowerMod[Range[52], 2, 52]] (* Alonso del Arte, Dec 26 2019 *)

PROG

(Sage) [quadratic_residues(52)] # Zerinvary Lajos, May 24 2009

(Scala) (1 to 52).map(n => (n * n) % 52).toSet.toSeq.sorted // Alonso del Arte, Dec 26 2019

CROSSREFS

Cf. A028765.

Sequence in context: A099458 A069219 A312848 * A112652 A272933 A243650

Adjacent sequences:  A010410 A010411 A010412 * A010414 A010415 A010416

KEYWORD

nonn,fini,full,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified September 18 01:39 EDT 2021. Contains 347504 sequences. (Running on oeis4.)