363242880

Appears in sequences

• Expansion of e.g.f. (1 - 2*x*sqrt(1-4*x))*(1 - sqrt(1-4*x))/4.at n=9A052719
• Number of degree-n permutations of order exactly 8.at n=12A061122
• n!/((n+1)*(n+2)*...*(n+k)) where k is largest value that gives an integer quotient.at n=13A068819
• a(n) is n! divided by LCM of all composite numbers k such that n < k < prime(r) where prime(r-1)< n.at n=13A108889
• a(n) = n^2*binomial(2*n, n)*Fibonacci(n)^2.at n=8A119699
• Floor((n-1)!/[n(n+1)]).at n=14A143357
• Triangle read by rows: T[n,m] = quadruple factorials A001813(n) * binomials A007318(n,m).at n=30A164961
• Denominator of the sum of inverse products of parts in all compositions of n.at n=14A323340
• Denominators of the fractions f(n) such that (6/Pi^2)*f(n) is the asymptotic density of the numbers k with A280292(k) = sopfr(k) - sopf(k) = n.at n=16A338560