Integers k such that j(k)*phi(k) = sigma(k), where j(n) = A033831(n).

A033852

Integers k such that j(k)*phi(k) = sigma(k), where j(n) = A033831(n).

Terms

    a(0) =35a(1) =105a(2) =248a(3) =418a(4) =594a(5) =744a(6) =812a(7) =1254

External references