OFFSET
1,3
MATHEMATICA
Union[PowerMod[Range[82], 2, 82]] (* Alonso del Arte, May 01 2020 *)
PROG
(Sage) [quadratic_residues(82)] # Zerinvary Lajos, May 28 2009
(Scala) (1 to 82).map(n => n * n % 82).toSet.toList.sorted // Alonso del Arte, May 01 2020
CROSSREFS
KEYWORD
nonn,fini,full,easy
AUTHOR
STATUS
approved