Numbers with prime factorization pq^2r^2s^2.

Terms

a(0) =6300a(1) =8820a(2) =9900a(3) =11700a(4) =14700a(5) =15300a(6) =17100a(7) =19404a(8) =20700a(9) =21780a(10) =22050a(11) =22932a(12) =26100a(13) =27900a(14) =29988a(15) =30420a(16) =30492a(17) =33300a(18) =33516a(19) =36300a(20) =36900a(21) =38700a(22) =40572a(23) =42300a(24) =42588a(25) =47700a(26) =50700a(27) =51156a(28) =52020a(29) =53100