691891200

Appears in sequences

• Number of permutations of an n-set containing a 9-cycle.at n=13A029576
• E.g.f.: x^4*log(-1/(-1+x)).at n=13A052778
• Denominators of n-th approximation of factorial (also called harmonic) expansion of Pi.at n=12A131446
• Denominators of n-th approximation of factorial (also called harmonic) expansion of Pi.at n=13A131446
• a(n) = the largest divisor of n! such that (sum{k=1 to n} a(k)) is a divisor of n!.at n=13A156832
• Irregular triangle read by rows: T(n,m) = coefficients in power/Fourier series expansion of an arbitrary anharmonic oscillator's exact period.at n=31A276816