A010414 Squares mod 53.

0, 1, 4, 6, 7, 9, 10, 11, 13, 15, 16, 17, 24, 25, 28, 29, 36, 37, 38, 40, 42, 43, 44, 46, 47, 49, 52

Offset

1,3

Links

Table of n, a(n) for n=1..27.

Mathematica

Union[PowerMod[Range[0, 52], 2, 53]]  (* Harvey P. Dale, Apr 02 2011 *)

Prog

(Sage) [quadratic_residues(53)] # Zerinvary Lajos, May 24 2009
(Scala) (1 to 53).map(n => n * n % 53).toSet.toList.sorted // Alonso del Arte, May 03 2020

Crossrefs

Cf. A028766.

Sequence in context: A105447 A242286 A144222 * A254122 A095096 A179242

Adjacent sequences: A010411 A010412 A010413 * A010415 A010416 A010417

Keyword

nonn,fini,full,easy

Author

N. J. A. Sloane

Status

approved