169050domain: NAppears in sequencesNumbers k such that phi(phi(k))/k < phi(phi(m))/m for all m < k, where phi is Euler's totient function (A000010).at n=22A293714Expansion of g^3/(1 - x*g)^4, where g = 1+x*g^3 is the g.f. of A001764.at n=7A391176