Nonsquares mod 37.

Terms

a(0) =2a(1) =5a(2) =6a(3) =8a(4) =13a(5) =14a(6) =15a(7) =17a(8) =18a(9) =19a(10) =20a(11) =22a(12) =23a(13) =24a(14) =29a(15) =31a(16) =32a(17) =35