Multiply perfect numbers that are also harmonic numbers but are not arithmetic numbers.
A046986
Multiply perfect numbers that are also harmonic numbers but are not arithmetic numbers.
Terms
- a(0) =28a(1) =496a(2) =8128a(3) =2178540a(4) =33550336a(5) =142990848a(6) =459818240a(7) =1379454720a(8) =8589869056a(9) =43861478400a(10) =66433720320a(11) =137438691328a(12) =704575228896
External references
- oeis: A046986