a(1) = 6; for n > 1, a(n) = product of next 2 primes after a(n-1).

A030641

a(1) = 6; for n > 1, a(n) = product of next 2 primes after a(n-1).

Terms

    a(0) =6a(1) =77a(2) =6557a(3) =43112347

External references