Harmonic numbers (A001599) with a record number of divisors that are harmonic numbers.
A335388
Harmonic numbers (A001599) with a record number of divisors that are harmonic numbers.
Terms
- a(0) =1a(1) =6a(2) =140a(3) =672a(4) =30240a(5) =332640a(6) =2178540a(7) =17428320a(8) =163390500a(9) =191711520a(10) =326781000a(11) =1307124000a(12) =2701389600a(13) =8104168800a(14) =14378364000a(15) =40520844000
External references
- oeis: A335388