Squares mod 51.

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =13a(5) =15a(6) =16a(7) =18a(8) =19a(9) =21a(10) =25a(11) =30a(12) =33a(13) =34a(14) =36a(15) =42a(16) =43a(17) =49