217728000

Appears in sequences

• Symmetric triangle of certain normalized products of decreasing factorials.at n=39A090441
• Symmetric triangle of certain normalized products of decreasing factorials.at n=41A090441
• a(n) = (n+2)! * (n+1)! * n! / 2.at n=5A090443
• a(n) = product of the remainders when the n-th prime is divided by primes up to the (n-1)-st prime.at n=13A102647
• Euler's totient of A104350(n).at n=15A104354
• Number of permutations of [n] for which the first two entries have the same parity (n>=2).at n=10A152661
• Triangle read by rows: T(n,k) (n>=1, 3<=k<=n+2) is the number of k-sequences of balls colored with at most n colors such that exactly three balls are the same color as some other ball in the sequence.at n=52A292930
• Product of nonzero remainders n mod p, over all primes p < n.at n=42A383752