f-perfect numbers, where f(m) = m + 1.

A066229

f-perfect numbers, where f(m) = m + 1.

Terms

    a(0) =4a(1) =10a(2) =44a(3) =2336a(4) =8896a(5) =34432a(6) =449295a(7) =549775212544

External references