Discriminants of imaginary quadratic fields with class number 15 (negated).

Terms

a(0) =239a(1) =439a(2) =751a(3) =971a(4) =1259a(5) =1327a(6) =1427a(7) =1567a(8) =1619a(9) =2243a(10) =2647a(11) =2699a(12) =2843a(13) =3331a(14) =3571a(15) =3803a(16) =4099a(17) =4219a(18) =5003a(19) =5227a(20) =5323a(21) =5563a(22) =5827a(23) =5987a(24) =6067a(25) =6091a(26) =6211a(27) =6571a(28) =7219a(29) =7459