86837751000
domain: N
Appears in sequences
- a(n) = n^2*(n+1)!/(n^tau(n)) where tau(n) is the number of divisors of n.at n=15A069141
- Number of meaningfully different ways to design a neutral single-elimination tournament with n teams.at n=16A096351
- The p(n) sequence that is associated with the Eta triangle A160464.at n=7A160473
- Number of rooted binary phylogenetic trees with n leaves and minimal Sackin tree balance index.at n=16A344934