Numbers k such that d(k)*reversal(k)=phi(k), where d(k) is number of positive divisors of k.

A104906

Numbers k such that d(k)*reversal(k)=phi(k), where d(k) is number of positive divisors of k.

Terms

    a(0) =1a(1) =10a(2) =831a(3) =8310

External references