149448499200
domain: N
Appears in sequences
- a(n) = (n-1)! * sigma(n).at n=13A038048
- a(n) = (2*n - 2)*n!.at n=13A052609
- a(n) = n!/A000793(n).at n=16A074115
- Number of elements of S_n having the maximum possible order g(n), where g(n) is Landau's function (A000793).at n=16A074859
- If S is countable finite set, we can define n as number of elements in S. There are n^n distinct functions f(S)->S. Each function has a fixed point, or an orbit in S. This sequence is a number of distinct functions g(S)->S, with largest orbit.at n=16A162682
- Array T(n,m)= (n*m)!*Beta(n, m) read by antidiagonals.at n=24A177847
- Denominator of the rational part of the sum of reciprocals of even powers of even numbers, i.e., Sum_{k>=1} 1/(2*k)^(2*n).at n=6A276595