Numbers n such that phi(n)+sigma(n)=4*reversal(n).

A136543

Numbers n such that phi(n)+sigma(n)=4*reversal(n).

Terms

    a(0) =793a(1) =79993a(2) =2152311a(3) =79999993a(4) =7999999993a(5) =799999999993

External references