Nonsquares mod 73.

Terms

a(0) =5a(1) =7a(2) =10a(3) =11a(4) =13a(5) =14a(6) =15a(7) =17a(8) =20a(9) =21a(10) =22a(11) =26a(12) =28a(13) =29a(14) =30a(15) =31a(16) =33a(17) =34a(18) =39a(19) =40a(20) =42a(21) =43a(22) =44a(23) =45a(24) =47a(25) =51a(26) =52a(27) =53a(28) =56a(29) =58