Discriminants of totally real quartic fields (see comments).

Terms

a(0) =725a(1) =1125a(2) =1600a(3) =2000a(4) =2048a(5) =2225a(6) =2304a(7) =2525a(8) =2624a(9) =3600a(10) =4205a(11) =4225a(12) =4352a(13) =4400a(14) =4525a(15) =4752a(16) =4913a(17) =5125a(18) =5225a(19) =5725a(20) =6125a(21) =7056a(22) =7168a(23) =7225a(24) =7232a(25) =7488a(26) =7600a(27) =7625a(28) =8000a(29) =8112