a(n) is the largest number m such that sigma(m)=10^n, or if there is no such m a(n)=0.
A110076
a(n) is the largest number m such that sigma(m)=10^n, or if there is no such m a(n)=0.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =9481a(5) =99301a(6) =997501a(7) =9993001a(8) =99948001a(9) =999795001a(10) =9999750001a(11) =99998670001a(12) =999997950001
External references
- oeis: A110076