1-Sondow numbers: numbers j such that p divides j/p + 1 for every prime divisor p of j.

A349193

1-Sondow numbers: numbers j such that p divides j/p + 1 for every prime divisor p of j.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =42a(4) =1806a(5) =47058a(6) =2214502422a(7) =52495396602

External references