23400000651domain: NAppears in sequencesNumbers n such that phi(n) = reversal(n).at n=11A069215Numbers k such that reverse(phi(k)) = k.at n=10A072395Numbers n such that reversal(n) = (2/3)*n - 2.at n=21A101703Numbers k such that the reverse of the representation of phi(k) is a substring of k, in base 10.at n=26A113622