1134000

Appears in sequences

• Ratios of successive terms are 1,1,1,2,3,3,3,4,5,5,5,6,...at n=13A004529
• a(n) = (2*n+1)^2*n!.at n=7A007681
• a(n) = 5!*n*Stirling2(n-1, 5).at n=9A052785
• Number of permutations of 1..n with the sequence of sums of 6 adjacent elements having exactly 1 maximum.at n=5A179728
• Triangle read by rows, defined by T(n,k)=binomial(n,k)*|Stirling1(n,k)|, 0<=k<=n.at n=62A187555
• Denominators of coefficients in Taylor series expansion of arccosh(cosec(x)*arctanh(x)).at n=3A202384
• Number of constant paths through the subset array of {1,2,...,n}; see Comments.at n=6A208650
• Array read by antidiagonals: T(m,n) = m*(m+n-1)! + Sum( n <= i <= m+n-2 ) i!at n=38A211369
• Triangle T(n,k) of strongly graded (3+1)-free partially ordered sets (posets) on n labeled vertices with height k.at n=32A222864
• a(n) = n! + (n+1)! + 3*(n+2)!.at n=7A225658
• First quotients of A252738: a(0) = 1; for n >= 1, a(n) = A252738(n) / A252738(n-1).at n=4A252740
• Permutation of natural numbers: a(n) = A122111(A243506(n)).at n=22A253884
• Coefficients in q-expansion of (E_2^3*E_4 - 3*E_2^2*E_6 + 3*E_2*E_4^2 - E_4*E_6)/3456, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=10A282213
• Triangular array read by rows. T(n,k) is the number of chain topologies on an n-set with exactly k open sets where one of the open sets is a single point set, n >= 2, 3 <= k <= n+1.at n=32A282507
• a(n) = denominator(-4*n^2*zeta(1 - n)*zeta(n)*(1 - 2^(1 - n)) / Pi^n) for n >= 2, a(0) = 1, a(1) = 1.at n=8A335539
• Integer areas of integer-sided triangles such that the distance d between the incenter and the circumcenter is a prime number.at n=4A350378