Squares mod 37.

Terms

a(0) =0a(1) =1a(2) =3a(3) =4a(4) =7a(5) =9a(6) =10a(7) =11a(8) =12a(9) =16a(10) =21a(11) =25a(12) =26a(13) =27a(14) =28a(15) =30a(16) =33a(17) =34a(18) =36