a(n) = smallest number k with n prime factors such that 2d + k/d is prime for every d | k.

A295124

a(n) = smallest number k with n prime factors such that 2d + k/d is prime for every d | k.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =105a(4) =93081

External references