Nonsquares mod 69.

Terms

a(0) =2a(1) =5a(2) =7a(3) =8a(4) =10a(5) =11a(6) =14a(7) =15a(8) =17a(9) =19a(10) =20a(11) =21a(12) =22a(13) =23a(14) =26a(15) =28a(16) =29a(17) =30a(18) =32a(19) =33a(20) =34a(21) =35a(22) =37a(23) =38a(24) =40a(25) =41a(26) =42a(27) =43a(28) =44a(29) =45