Positive integers with at least 3 prime factors (counted with multiplicity).

Terms

a(0) =8a(1) =12a(2) =16a(3) =18a(4) =20a(5) =24a(6) =27a(7) =28a(8) =30a(9) =32a(10) =36a(11) =40a(12) =42a(13) =44a(14) =45a(15) =48a(16) =50a(17) =52a(18) =54a(19) =56a(20) =60a(21) =63a(22) =64a(23) =66a(24) =68a(25) =70a(26) =72a(27) =75a(28) =76a(29) =78