435891456000
domain: N
Appears in sequences
- a(n) = n! / 3.at n=12A002301
- State assignments for n-state machine.at n=12A007041
- a(n) = n!*(n-4)/2.at n=10A034865
- a(n) = n!*(n-4)/2, n > 4, and a(4) = 4.at n=10A034866
- Denominators of Taylor series expansion of (exp(1-exp(x))-1)/(1-exp(x)).at n=12A051781
- E.g.f. 1/((1-x)(1-x^3)).at n=14A052569
- Expansion of e.g.f. 5*x/(1-x).at n=14A052648
- Expansion of e.g.f. x/((1-x)*(1-x^3)).at n=14A052688
- a(n) = ceiling(n!/d(n!)).at n=17A055981
- a(n) = A056622(n!).at n=27A056627
- a(n) = A056622(n!).at n=28A056627
- Triangle A(n,m) of numbers of n-element T_0-antichains on a labeled m-set, m=0,...,2^n.at n=33A059080
- Triangle T(n,m) of number of labeled m-node T_0-hypergraphs with n hyperedges (empty hyperedges and multiple hyperedges included), m=0,1,...,2^n.at n=33A059584
- For n > 0, 0 <= k <= n^2, T(n,k) is the number of rotationally and reflectively distinct n X n arrays that contain the numbers 1 through k once each and n^2-k zeros.at n=30A087074
- n! divided by prime whose index is the integer part of log(n).at n=12A089057
- Denominators of terms in series expansion of arctan(arcsin(x)).at n=7A096720
- a(n) = (n^2)!/(2*(n!)).at n=2A127488
- a(n) = n!/gcd(n,3).at n=14A194130
- Partial products of A265111.at n=23A265125
- Numbers k such that A008480(k) > k.at n=1A340155