Numbers n such that phi(n+1) = reverse(phi(n)).

A074241

Numbers n such that phi(n+1) = reverse(phi(n)).

Terms

    a(0) =1a(1) =3a(2) =15a(3) =129a(4) =833a(5) =5044a(6) =59815a(7) =267335a(8) =297863a(9) =9633693a(10) =4642779313a(11) =62935243460a(12) =91770096041

External references