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A010385 Squares mod 23. 3
0, 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..12.

MATHEMATICA

Join[{0}, Select[Range[22], JacobiSymbol[#, 23] == 1&]] (* Jean-Fran├žois Alcover, Oct 07 2018 *)

PROG

(Sage) [quadratic_residues(23)] # Zerinvary Lajos, May 24 2009

CROSSREFS

Row 23 of A096008.

Sequence in context: A189291 A155211 A206716 * A095037 A191284 A071403

Adjacent sequences:  A010382 A010383 A010384 * A010386 A010387 A010388

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified March 3 03:03 EST 2021. Contains 341756 sequences. (Running on oeis4.)