Numbers k such that sigma(k) = psi(k) + tau(k)^2 + pi(k).

A390947

Numbers k such that sigma(k) = psi(k) + tau(k)^2 + pi(k).

Terms

    a(0) =344a(1) =26739a(2) =180750a(3) =877650a(4) =2078750a(5) =7422350a(6) =52658375a(7) =2354524625

External references