20078358300
domain: N
Appears in sequences
- Denominator of Sum_{k=0..n} 1/binomial(n,k).at n=28A046826
- a(n) is the lcm of related numbers to n (counted in A073757): related = {divisor-set, RRS}.at n=27A083268
- a(1) = 1; a(n) = smallest positive unpicked integer such that n-k divides evenly into a(n)*a(k) for every k, 1 <= k <= n-1.at n=28A091861
- a(n) = lcm_{k=1..n} (lcm(n,n-1,...,n-k+2,n-k+1)/lcm(1,2,...,k)).at n=27A093432
- a(n) = denominator of Sum_{k=1..n} k^mu(n+1-k), where mu(m) = A008683(m).at n=28A130492
- Least k such that d(k*n) = d(n!) (d = A000005).at n=15A274795
- a(n) is the denominator of Sum_{primes p < n} 1/(n-p).at n=29A305702
- a(n) = lcm(denominator(p(n, x))), where p(n, x) are the rational polynomials defined in A342321.at n=27A343277
- a(n) is the denominator of x(n) = (2*x(n-1) + 1/n) mod 1, with x(0) = 0.at n=28A374333