Nonsquares mod 76.

Terms

a(0) =2a(1) =3a(2) =6a(3) =7a(4) =8a(5) =10a(6) =11a(7) =12a(8) =13a(9) =14a(10) =15a(11) =18a(12) =19a(13) =21a(14) =22a(15) =23a(16) =26a(17) =27a(18) =29a(19) =30a(20) =31a(21) =32a(22) =33a(23) =34a(24) =35a(25) =37a(26) =38a(27) =39a(28) =40a(29) =41