Numbers n such that reverse(n) = phi(n) + sigma(n).

A070272

Numbers n such that reverse(n) = phi(n) + sigma(n).

Terms

    a(0) =275a(1) =295a(2) =2995a(3) =299995a(4) =2999995a(5) =278736495a(6) =299999995a(7) =299999999995

External references