Numbers with prime factorization pqr^2s^4.

Terms

a(0) =5040a(1) =7920a(2) =8400a(3) =9360a(4) =11088a(5) =11340a(6) =11760a(7) =12240a(8) =13104a(9) =13200a(10) =13680a(11) =15600a(12) =16560a(13) =17136a(14) =17820a(15) =19152a(16) =20400a(17) =20592a(18) =20880a(19) =21060a(20) =22320a(21) =22800a(22) =23184a(23) =24948a(24) =25872a(25) =26640a(26) =26928a(27) =27540a(28) =27600a(29) =28350