a(n) = Sum_{k=1..n} floor(n/k)^(floor(n/k) - 1).
A345094
a(n) = Sum_{k=1..n} floor(n/k)^(floor(n/k) - 1).
Terms
- a(0) =1a(1) =3a(2) =11a(3) =68a(4) =630a(5) =7790a(6) =117664a(7) =2097224a(8) =43046801a(9) =1000000643a(10) =25937425245a(11) =743008378547
External references
- oeis: A345094