Semiprimes which are divisible by the product of their digits.
A118694
Semiprimes which are divisible by the product of their digits.
Terms
- a(0) =4a(1) =6a(2) =9a(3) =15a(4) =111a(5) =115a(6) =1111a(7) =1115a(8) =11111a(9) =1111111a(10) =1111117a(11) =111111115a(12) =1111113111a(13) =1111711111a(14) =11111111111a(15) =111111111115
External references
- oeis: A118694