276756480
domain: N
Appears in sequences
- Denominator of expected length of longest increasing subsequence of a permutation of length n.at n=13A054677
- a(n) = lcm(b(0),b(1),b(2),...,b(n)), where b(m) = A130479(m).at n=14A130480
- Denominator of Sum_{k=0..n} 1/k!!.at n=14A143383
- a(n) = 2^n*(2*n)!/((n+1)!).at n=7A152029
- Numbers n such that tau(n)*sigma(n) divides n^2.at n=14A245787