Nonsquares mod 75.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =8a(5) =10a(6) =11a(7) =12a(8) =13a(9) =14a(10) =15a(11) =17a(12) =18a(13) =20a(14) =22a(15) =23a(16) =26a(17) =27a(18) =28a(19) =29a(20) =30a(21) =32a(22) =33a(23) =35a(24) =37a(25) =38a(26) =40a(27) =41a(28) =42a(29) =43