Least k such that cototient(k) has exactly n distinct prime factors.

A280907

Least k such that cototient(k) has exactly n distinct prime factors.

Terms

    a(0) =4a(1) =10a(2) =42a(3) =294a(4) =3462a(5) =45042a(6) =760446a(7) =14549526a(8) =289194150a(9) =8729875770

External references