(n / product of digits of n) is a semiprime.

Terms

a(0) =12a(1) =111a(2) =132a(3) =135a(4) =144a(5) =224a(6) =315a(7) =384a(8) =612a(9) =1111a(10) =1113a(11) =1131a(12) =1212a(13) =1311a(14) =1332a(15) =1575a(16) =1715a(17) =2232a(18) =3111a(19) =3168a(20) =4112a(21) =4416a(22) =9315a(23) =11111a(24) =11313a(25) =11711a(26) =11872a(27) =12132a(28) =12224a(29) =12432