Squares mod 38.

Terms

a(0) =0a(1) =1a(2) =4a(3) =5a(4) =6a(5) =7a(6) =9a(7) =11a(8) =16a(9) =17a(10) =19a(11) =20a(12) =23a(13) =24a(14) =25a(15) =26a(16) =28a(17) =30a(18) =35a(19) =36