Smallest number that contains the first n semiprimes as substrings.

A173716

Smallest number that contains the first n semiprimes as substrings.

Terms

    a(0) =4a(1) =46a(2) =469a(3) =10469a(4) =101469a(5) =10141569a(6) =101421569a(7) =1014221569a(8) =101421522569

External references