327523680

Appears in sequences

• a(n) = Sum_{k=0..m-1} T(n,k) * T(n,k+1), where m=n for n=0,1 and m=floor((n+3)/2) for n >= 2, and T given by A026022.at n=15A027295
• a(n) is the denominator of the n-th hyperharmonic number of order n.at n=32A354895
• a(n) = 55440 * (3*n)!/((2*n)!*(n+4)!).at n=11A361039