Nonsquares mod 51.

Terms

a(0) =2a(1) =3a(2) =5a(3) =6a(4) =7a(5) =8a(6) =10a(7) =11a(8) =12a(9) =14a(10) =17a(11) =20a(12) =22a(13) =23a(14) =24a(15) =26a(16) =27a(17) =28a(18) =29a(19) =31a(20) =32a(21) =35a(22) =37a(23) =38a(24) =39a(25) =40a(26) =41a(27) =44a(28) =45a(29) =46