Squarefree terms of A050530 with 3 prime divisors.

Terms

a(0) =255a(1) =435a(2) =455a(3) =561a(4) =595a(5) =665a(6) =705a(7) =795a(8) =805a(9) =885a(10) =957a(11) =1001a(12) =1105a(13) =1295a(14) =1309a(15) =1335a(16) =1463a(17) =1495a(18) =1551a(19) =1605a(20) =1615a(21) =1645a(22) =1729a(23) =1749a(24) =1855a(25) =1885a(26) =1947a(27) =1955a(28) =2001a(29) =2055