%I #10 Dec 22 2019 03:35:53
%S 2,3,6,7,8,10,11,13,14,15,17,18,19,21,22,23,24,26,27,28,29,30,31,32,
%T 34,35,38,39,40,41,42,43
%N Nonsquares mod 44.
%t Complement[Range[0, 43], PowerMod[Range[44], 2, 44]] (* _Alonso del Arte_, Dec 22 2019 *)
%o (Scala) (0 to 43).diff((1 to 44).map(n => (n * n) % 44)) // _Alonso del Arte_, Dec 22 2019
%Y Cf. A010405.
%K nonn,fini,full,easy
%O 1,1
%A _N. J. A. Sloane_