8-Sondow numbers: numbers k such that p^s divides k/p + 8 for every prime power divisor p^s of k.

A346556

8-Sondow numbers: numbers k such that p^s divides k/p + 8 for every prime power divisor p^s of k.

Terms

    a(0) =1a(1) =3a(2) =16a(3) =48a(4) =336a(5) =14448a(6) =376464a(7) =17716019376a(8) =419963172816

External references