282744
domain: N
Appears in sequences
- a(n) = floor(n*(n-1)*(n-2)*(n-3)/5).at n=36A011915
- Binet's factorial series. Denominators of the coefficients of a convergent series for the logarithm of the Gamma function.at n=32A122253
- Numbers that can be written as (a^2-1)(b^2-1) in three or more distinct ways.at n=7A134856
- Numbers n such that sigma(n) = 15*phi(n) (where sigma=A000203, phi=A000010).at n=8A171260
- Numbers with prime factorization pqrs^3t^3.at n=17A190385