(-2)-Sondow numbers: numbers m such that p divides m/p - 2 for every prime divisor p of m.

A330069

(-2)-Sondow numbers: numbers m such that p divides m/p - 2 for every prime divisor p of m.

Terms

    a(0) =1a(1) =4a(2) =60a(3) =1716a(4) =3444a(5) =132396a(6) =4428816612a(7) =48846257124

External references