a(n) is the smallest semiprime > primorial(n).

A379407

a(n) is the smallest semiprime > primorial(n).

Terms

    a(0) =4a(1) =9a(2) =33a(3) =213a(4) =2315a(5) =30031a(6) =510515a(7) =9699691a(8) =223092871a(9) =6469693233a(10) =200560490134

External references