Odd-digit products of three odd-digit primes p*q*r.

Terms

a(0) =75a(1) =99a(2) =117a(3) =153a(4) =171a(5) =175a(6) =195a(7) =333a(8) =357a(9) =399a(10) =531a(11) =539a(12) =555a(13) =595a(14) =711a(15) =715a(16) =775a(17) =777a(18) =795a(19) =931a(20) =935a(21) =1113a(22) =1179a(23) =1331a(24) =1359a(25) =1519a(26) =1533a(27) =1557a(28) =1573a(29) =1719