219469824000
domain: N
Appears in sequences
- a(n) = n!/lcm{1,2,...,n} = (n-1)!/lcm{C(n-1,0), C(n-1,1), ..., C(n-1,n-1)}.at n=20A025527
- a(n) = n!/LCM{1, C(n-1,1), C(n-2,2), ..., C(n-[ n/2 ],[ n/2 ])}.at n=21A025562
- Catalan number analogs for totienomial coefficients (A238453).at n=23A245798
- GCD of consecutive terms of the factorial times the alternating harmonic series.at n=20A334958