87091200

Appears in sequences

• a(n) = LCM of denominators of Cotesian numbers {C(n,k), 0 <= k <= n}.at n=10A002176
• Number of reversible strings with n labeled beads of 2 colors, no palindromes of more than 1 bead.at n=8A032069
• Number of double-free subsets of {1, 2, ..., n}.at n=32A050291
• a(n) = product of nonzero digits of n! (A000142).at n=17A067067
• a(n) = A092143(n)/n!.at n=14A092144
• 1/1, 2*3/lcm(2,3), 4*5*6/lcm(4,5,6), 7*8*9*10/lcm(7,8,9,10), ...at n=14A093453
• Denominator of Cotesian number C(n,2).at n=9A100646
• Cumulative product of sextuple factorial A085158.at n=10A114796
• a(n) = n!*(n*(n+1)/2)!.at n=4A127233
• a(n) = Product_{d|n} (n-d)!.at n=7A135396
• A triangular sequence from coefficients of an expansion of the Poisson's kernel: p(t,r)=(1-r^2)/(1-2*r*Cos(t)+r^2): r->t;Cos(t)->x.at n=48A137511
• The classical Lie superfactorial of type Dr ~ SO(2r): When a Lie group G is simply laced, the classical Lie superfactorial sf_G is the product of s! where s belongs to the multiset E of exponents of G. Here G=Dr.at n=2A169657
• a(n) = A091137(n+1)/(n+1).at n=10A174727
• Table T(n,m) read by rows: the coefficient of [t^n x^m] of 2*n!*(n+2)!*exp(x*t)*( t*(1-exp(t))-exp(t) ) / (1-exp(t) ), 0<=m<=n+1.at n=76A176990
• Denominator of Nemes number G_n.at n=4A181856
• Denominators of coefficients in Taylor series expansion of log(cosec(x)*log(x+1)).at n=10A202379
• Denominators of coefficients in Taylor series expansion of log(cotan(x)*log(x+1)).at n=10A202619
• Vandermonde determinant of the first n nonprimes (A018252).at n=5A203415
• Triangle d_k(n) read by rows: number of n-th order Feynman diagrams with k interactions, 0<=k<=n.at n=22A214299
• Denominators of coefficients in series expansion of Cl_2(x)+x*log(x), where Cl_2 is the Clausen function of order 2.at n=9A249700