5-infinitary perfect numbers: numbers k such that 5-infinitary-sigma(k) = 2*k.
A097464
5-infinitary perfect numbers: numbers k such that 5-infinitary-sigma(k) = 2*k.
Terms
- a(0) =6a(1) =28a(2) =496a(3) =47520a(4) =288288a(5) =308474880
External references
- oeis: A097464