Numbers with exactly 9 semiprime divisors.

Terms

a(0) =6300a(1) =8820a(2) =9900a(3) =11700a(4) =12600a(5) =14700a(6) =15300a(7) =17100a(8) =17640a(9) =18900a(10) =19404a(11) =19800a(12) =20700a(13) =21780a(14) =22050a(15) =22932a(16) =23400a(17) =25200a(18) =26100a(19) =26460a(20) =27900a(21) =29400a(22) =29700a(23) =29988a(24) =30420a(25) =30492a(26) =30600a(27) =31500a(28) =33300a(29) =33516