5736673800

Appears in sequences

• a(n) = (1/C(2n,0) - 1/C(2n,1) + ... + d/C(2n,2n))*L, where d = (-1)^2n, L = LCM{C(2n,0), C(2n,1),..., C(2n,2n)}.at n=13A025535
• Denominators of partial sums of reciprocals of lcm(1..n) = A003418(n).at n=26A064858
• Denominator of n*sum(k=1,(-1)^(k+1)/(n+k)).at n=13A082690
• Denominator of Sum_{k = 0..n} 1/((k+1)*(2*k+1)).at n=13A111876
• Denominator of rational part of raw moment n of the line point picking problem.at n=28A115389
• Denominators of third-order harmonic numbers (defined by Conway and Guy, 1996).at n=26A124838
• Denominators of partial sums for a series for 2*Pi*sqrt(3)/9.at n=13A130554
• Denominator of Sum_{k=1..n} k*H_{n+k} where H_m = Sum_{i=1..m} 1/i.at n=28A144655
• Denominator of n*Sum_{k=1..n} 1/(n+k).at n=13A296519
• Denominator of the sum of all elements of the n X n matrix M with M[i,j] = (-1)^(i+j)*i/j for i,j = 1..n.at n=26A334724
• Denominator of the sum of all elements of the n X n matrix M with M[i,j] = (-1)^(i+j)*i/j for i,j = 1..n.at n=27A334724