Products p^3 or p^2*q, where {p,q} are consecutive primes.

Terms

a(0) =8a(1) =12a(2) =18a(3) =27a(4) =45a(5) =75a(6) =125a(7) =175a(8) =245a(9) =343a(10) =539a(11) =847a(12) =1331a(13) =1573a(14) =1859a(15) =2197a(16) =2873a(17) =3757a(18) =4913a(19) =5491a(20) =6137a(21) =6859a(22) =8303a(23) =10051a(24) =12167a(25) =15341a(26) =19343a(27) =24389a(28) =26071a(29) =27869