Self numbers that are the product of two self numbers greater than one.

Terms

a(0) =9a(1) =378a(2) =400a(3) =525a(4) =602a(5) =1155a(6) =1188a(7) =1862a(8) =2055a(9) =2200a(10) =2325a(11) =2415a(12) =2492a(13) =2560a(14) =2907a(15) =3045a(16) =3348a(17) =3392a(18) =3460a(19) =3515a(20) =3717a(21) =3752a(22) =3965a(23) =4180a(24) =4360a(25) =4382a(26) =4415a(27) =4865a(28) =4920a(29) =5115