Imperfect numbers of the form 2^(2^k-1)*F_1*F_2*...*F_(k-1), where F is a Fermat number.
A309553
Imperfect numbers of the form 2^(2^k-1)*F_1*F_2*...*F_(k-1), where F is a Fermat number.
Terms
- a(0) =40a(1) =10880a(2) =715816960
External references
- oeis: A309553