743642900

Appears in sequences

• a(n) = lcm_{k=1..n} (lcm(n,n-1,...,n-k+2,n-k+1)/lcm(1,2,...,k)).at n=25A093432
• Denominator of partial sums of a certain series.at n=7A101628
• a(n) = 2^n * Sum_{k=0..n} Product_{j=1..k} (2/j)^((-1)^j).at n=25A328002