Smallest k such that sigma(k) + 1 is divisible by primorial(n).

A097015

Smallest k such that sigma(k) + 1 is divisible by primorial(n).

Terms

    a(0) =1a(1) =1a(2) =2401a(3) =2614689a(4) =36324729a(5) =36324729

External references