217945728000
domain: N
Appears in sequences
- a(n) = n!/6.at n=12A001715
- Denominators of coefficients for central differences M_{3}'^(2*n+1).at n=6A002677
- Denominator of 2*Stirling_2(n,2)/n!.at n=13A002679
- Denominators of coefficients for repeated integration.at n=11A002689
- a(n) = (3*n - 1)!*n/2.at n=4A065961
- Denominators in expansion of (exp(x)-1)^3.at n=15A065975
- Square array read by descending antidiagonals of number of ways of dividing n*k labeled items into k unlabeled orders with n items in each order.at n=25A066991
- Triangle read by rows in which n-th row gives all values of n!/{(p!)^a*(q!)^b*(r!)^c*...} (in increasing order) for all factorizations n = p^a*q^b*r^c*....at n=29A075377
- Table of graphs with n (>=0) nodes and k (>=0) edges. Each type of object labeled from its own label set.at n=38A091478
- Coefficients of Pi^(2*n+1) in a certain integer relation involving Ramanujan exponential-type sums.at n=4A119540
- Number triangle (3n)!/(3k)!.at n=16A119831
- Number of multiset permutations of the n initial elements of A005229 with additional element A005229(0)=1.at n=15A169638
- Erroneous version of A002689.at n=11A169971
- a(n) = A091137(n+1)/(n+1).at n=11A174727
- a(n) = 2*(n+2)!*(zeta(-2*n)-zeta(-n)), zeta(n) the Riemann zeta function.at n=13A178235
- Number of 10-ary heaps on n elements.at n=16A273697
- Solution of the complementary equation a(n) = a(n-1)*b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4.at n=13A294381
- Irregular triangle read by rows: T(n,m) is the number of n X m (0,1)-matrices with pairwise distinct nonzero columns and pairwise distinct nonzero rows, n >= 0, m = 0..2^n-1.at n=27A318537
- Expansion of e.g.f. exp( x * (exp(x^4) - 1) ).at n=15A357968
- a(n) is the smallest number which can be represented as the product of n distinct integers > 1 in exactly n ways.at n=12A360590