3628800

Appears in sequences

• Sorted list of orders of Weyl groups of types A_n, B_n, D_n, E_n, F_4, G_2.at n=24A001217
• n-phi-torial, or phi-torial of n: Product k, 1 <= k <= n, k relatively prime to n.at n=10A001783
• Denominators of coefficients for numerical integration.at n=4A002196
• Denominators of logarithmic numbers (also of Gregory coefficients G(n)).at n=8A002207
• Denominators of coefficients for numerical integration.at n=8A002209
• a(n) = n! if n is even, otherwise 0 (from Taylor series for cos x).at n=10A005359
• Dimensions of representations by Witt vectors.at n=10A006973
• n! in base n.at n=9A006993
• a(n) = A002034(n)!/n.at n=10A007672
• Triangle of coefficients in expansion of D^n (tan x) in powers of tan x.at n=40A008293
• Triangle of coefficients in expansion of D^n (sec x) / sec x in powers of tan x.at n=35A008294
• Triangle of Lehmer-Comtet numbers of the first kind.at n=66A008296
• Triangle of Lah numbers.at n=45A008297
• Triangle read by rows: T(n,k) = number of permutations of [n] allowing i->i+j (mod n), j=0..k-1.at n=54A008305
• Triangle T(n,k) read by rows: associated Stirling numbers of first kind (n >= 2, 1 <= k <= floor(n/2)).at n=25A008306
• a(n) = (2n)!.at n=5A010050
• Multiply successively by 1,1,2,2,3,3,4,4,..., n >= 1, a(0) = 1.at n=13A010551
• a(n) = n!*(n+1)!.at n=6A010790
• a(n) = n!*(n+5)!/5!.at n=5A010794
• Stirling numbers of first kind S1(11,n).at n=0A011521