2124694

Appears in sequences

• 1/256 of tenth unsigned column of triangle A053120 (T-Chebyshev, rising powers, zeros omitted).at n=15A054333
• Coefficients of power series that satisfies A(x)^2 - 4*x*A(x)^3 = 1, A(0)=1.at n=8A078531
• Number of symmetric non-crossing connected graphs on n equidistant nodes on a circle.at n=16A089073
• Number of ways to select 15 knights from n knights sitting at a round table if no adjacent knights are chosen.at n=9A188225
• a(n) = (24*n)!*(5*n)!*(2*n)!/((12*n)!*(10*n)!*(8*n)!*n!).at n=1A295478