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A010384 Squares mod 22. 1

%I #19 Dec 22 2019 03:35:41

%S 0,1,3,4,5,9,11,12,14,15,16,20

%N Squares mod 22.

%t Union[PowerMod[Range[22], 2, 22]] (* _Alonso del Arte_, Dec 22 2019 *)

%o (Sage) [quadratic_residues(22)] # _Zerinvary Lajos_, May 24 2009

%o (Scala) (1 to 22).map(n => (n * n) % 22).toSet.toSeq.sorted // _Alonso del Arte_, Dec 22 2019

%Y Row 22 of A096008.

%Y Cf. A028735.

%K nonn,fini,full,easy

%O 1,3

%A _N. J. A. Sloane_

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)