Nonsquares mod 50.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =8a(5) =10a(6) =12a(7) =13a(8) =15a(9) =17a(10) =18a(11) =20a(12) =22a(13) =23a(14) =27a(15) =28a(16) =30a(17) =32a(18) =33a(19) =35a(20) =37a(21) =38a(22) =40a(23) =42a(24) =43a(25) =45a(26) =47a(27) =48