a(n) is the least n-gonal number that is the product of n distinct primes, or 0 if there are none.

A359854

a(n) is the least n-gonal number that is the product of n distinct primes, or 0 if there are none.

Terms

    a(0) =6a(1) =66a(2) =0a(3) =11310a(4) =303810a(5) =28962934a(6) =557221665a(7) =15529888374

External references