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A010388
Squares mod 26.
1
0, 1, 3, 4, 9, 10, 12, 13, 14, 16, 17, 22, 23, 25
OFFSET
1,3
MATHEMATICA
Union[PowerMod[Range[0, 25], 2, 26]] (* Alonso del Arte, Nov 26 2019 *)
PROG
(Sage) [quadratic_residues(26)] # Zerinvary Lajos, May 24 2009
(Scala) (0 to 25).map(n => n * n).map(_ % 26).toSet.toSeq.sorted // Alonso del Arte, Nov 26 2019
CROSSREFS
Cf. A028739.
Sequence in context: A280632 A178462 A010376 * A283973 A276672 A010400
KEYWORD
nonn,fini,full
STATUS
approved