Discriminants of totally real cubic fields.

Terms

a(0) =49a(1) =81a(2) =148a(3) =169a(4) =229a(5) =257a(6) =316a(7) =321a(8) =361a(9) =404a(10) =469a(11) =473a(12) =564a(13) =568a(14) =621a(15) =697a(16) =733a(17) =756a(18) =761a(19) =785a(20) =788a(21) =837a(22) =892a(23) =940a(24) =961a(25) =985a(26) =993a(27) =1016a(28) =1076a(29) =1101