726485760

Appears in sequences

• a(n) = n!/5!.at n=9A001725
• a(n) = (2/3)*(2*n-1)!*binomial(3*n,2*n).at n=4A082787
• Denominators of T(n+1)/n! reduced to lowest terms, where T(n) are the triangular numbers A000217.at n=14A110561
• Lower triangular array, called S1hat(6), related to partition number array A145356.at n=45A145357
• Triangle read by rows: coefficients in the sum of odd powers as expressed by Faulhaber's theorem, T(n, k) for n >= 1, 1 <= k <= n.at n=23A303675