Numbers k such that uphi(k)/uphi(uphi(k)) > uphi(m)/uphi(uphi(m)) for all m < k, where uphi is the unitary totient function (A047994).

A289127

Numbers k such that uphi(k)/uphi(uphi(k)) > uphi(m)/uphi(uphi(m)) for all m < k, where uphi is the unitary totient function (A047994).

Terms

    a(0) =1a(1) =3a(2) =7a(3) =31a(4) =211a(5) =2311a(6) =32048a(7) =512768a(8) =9737984a(9) =300690391a(10) =6915878971a(11) =8626257644

External references