12852001
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- A symmetrical triangular sequence:t(n,m)=(n!^2/(m!(n - m)!))*Eulerian[n + 1, m] - (n!^2/(m!(n - m)!)) + 1.at n=23A174791
- A symmetrical triangular sequence:t(n,m)=(n!^2/(m!(n - m)!))*Eulerian[n + 1, m] - (n!^2/(m!(n - m)!)) + 1.at n=25A174791
- Expansion of e.g.f. Sum_{k>=1} x^k / (k! * (1 - x^k)^k).at n=9A330020
- Prime numbersat n=840286