Numbers k such that k = 6*phi(k) - sigma(k).

A136539

Numbers k such that k = 6*phi(k) - sigma(k).

Terms

    a(0) =76a(1) =1264a(2) =327424a(3) =5241856a(4) =83881984a(5) =1342160896a(6) =343597121536

External references