Least solution to cototient(x) = n!, where cototient(x) = x-phi(x).

A066278

Least solution to cototient(x) = n!, where cototient(x) = x-phi(x).

Terms

    a(0) =2a(1) =4a(2) =10a(3) =36a(4) =168a(5) =1008a(6) =7056a(7) =56448a(8) =470400a(9) =4704000a(10) =51528960a(11) =618347520a(12) =7740902400a(13) =108372633600

External references