381024000

Appears in sequences

• Number of permutations of degree n with greatest sum of distances.at n=15A062870
• a(1) = 1, a(n+1)= a(n)*(n+1) divided by the smallest prime divisor of n+1.at n=20A076929
• Triangular array read by rows: T(n,k) is the number of f:{1,2,...,n}->{1,2,...,n} with exactly 2k elements that have a preimage of even (possibly zero) cardinality; n>=0, 0<=k<=floor(n/2).at n=31A225942
• Highly powerful numbers (A005934) that are not cubeful (A036966).at n=10A307703
• Primitive terms of A363063.at n=13A363098