A010377 Squares mod 14.

0, 1, 2, 4, 7, 8, 9, 11

Offset

1,3

Links

Table of n, a(n) for n=1..8.

Mathematica

Union[PowerMod[Range[14], 2, 14]] (* Alonso del Arte, Dec 14 2019 *)

Prog

(SageMath) [quadratic_residues(14)] # Zerinvary Lajos, May 24 2009
(Scala) (1 to 14).map(n => (n * n) % 14).toSet.toSeq.sorted // Alonso del Arte, Dec 14 2019

Crossrefs

Cf. A028727.

Sequence in context: A047542 A121619 A167500 * A194465 A352246 A359585

Adjacent sequences: A010374 A010375 A010376 * A010378 A010379 A010380

Keyword

nonn,fini,full

Author

N. J. A. Sloane

Status

approved