Oex perfect numbers: k such that A186644(k) = 2*k.
A186889
Oex perfect numbers: k such that A186644(k) = 2*k.
Terms
- a(0) =6a(1) =18a(2) =20a(3) =100a(4) =1888a(5) =2044928a(6) =33099776a(7) =35021696a(8) =45335936a(9) =533020672
External references
- oeis: A186889