Nonsquares mod 49.

Terms

a(0) =3a(1) =5a(2) =6a(3) =7a(4) =10a(5) =12a(6) =13a(7) =14a(8) =17a(9) =19a(10) =20a(11) =21a(12) =24a(13) =26a(14) =27a(15) =28a(16) =31a(17) =33a(18) =34a(19) =35a(20) =38a(21) =40a(22) =41a(23) =42a(24) =45a(25) =47a(26) =48