Numbers k such that A019320(k) is greater than A064078(k) and the latter is a prime or a prime power.

A333973

Numbers k such that A019320(k) is greater than A064078(k) and the latter is a prime or a prime power.

Terms

    a(0) =18a(1) =20a(2) =21a(3) =54a(4) =147a(5) =342a(6) =602a(7) =889a(8) =258121

External references