Number of sequences of n positive integers with reciprocals adding up to an integer.
A280517
Number of sequences of n positive integers with reciprocals adding up to an integer.
Terms
- a(0) =1a(1) =2a(2) =14a(3) =263a(4) =13462a(5) =2104021a(6) =1366427911
External references
- oeis: A280517