Nonsquares mod 38.

Terms

a(0) =2a(1) =3a(2) =8a(3) =10a(4) =12a(5) =13a(6) =14a(7) =15a(8) =18a(9) =21a(10) =22a(11) =27a(12) =29a(13) =31a(14) =32a(15) =33a(16) =34a(17) =37