Nonsquares mod 63.

Terms

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