Nonsquares mod 61.

Terms

a(0) =2a(1) =6a(2) =7a(3) =8a(4) =10a(5) =11a(6) =17a(7) =18a(8) =21a(9) =23a(10) =24a(11) =26a(12) =28a(13) =29a(14) =30a(15) =31a(16) =32a(17) =33a(18) =35a(19) =37a(20) =38a(21) =40a(22) =43a(23) =44a(24) =50a(25) =51a(26) =53a(27) =54a(28) =55a(29) =59