Numbers with prime factorization pqrst^2.

Terms

a(0) =4620a(1) =5460a(2) =6930a(3) =7140a(4) =7980a(5) =8190a(6) =8580a(7) =9660a(8) =10710a(9) =11220a(10) =11550a(11) =11970a(12) =12012a(13) =12180a(14) =12540a(15) =12870a(16) =13020a(17) =13260a(18) =13650a(19) =14490a(20) =14820a(21) =15180a(22) =15540a(23) =15708a(24) =16170a(25) =16830a(26) =17220a(27) =17556a(28) =17850a(29) =17940