212837625

Appears in sequences

• Denominators in expansion of exp(2x)/(1-x).at n=16A053485
• Denominators of coefficients in expansion of x^-2*(1-exp(-2*x))^2.at n=13A104097
• Coefficients of Pi^(2*n+1) in a certain integer relation involving Ramanujan exponential-type sums.at n=4A119542
• There are 4*n players who wish to play bridge at n tables. Each player must have another player as partner and each pair of partners must have another pair as opponents. The choice of partners and opponents can be made in exactly a(n)=(4*n)!/(n!*8^n) different ways.at n=4A139541
• a(n) = denominator of the coefficient c(n) of x^n in (tan x)/Product_{k=1..n-1} 1 + c(k)*x^k, n = 1, 2, 3, ...at n=14A170919
• Denominators of exponential transform of 1/n.at n=16A177209
• Denominator of the volume of d dimensional symmetric convex cuboid with constraints |x1 + x2 + ... xd| <= 1 and |x1|, |x2|, ..., |xd| <= 1.at n=14A266913
• Triangle read by rows, T(n,k) = Sum_{j=k..n} A269940(n,j)*A269939(j,k), for n>=0 and 0<=k<=n.at n=26A269957
• T(n,m), denominators of coefficients in a power/Fourier series expansion of the plane pendulum's exact differential time dependence.at n=22A274078
• Denominators of fractions converging to limiting value of Fekete polynomials.at n=7A280035
• Denominator of zeta({6}_n)/Pi^(6*n).at n=2A351806