59875200

Appears in sequences

• Number of simplices in barycentric subdivision of n-simplex.at n=7A005461
• a(n) = (n-1)*(n+1)!/6.at n=9A005990
• Number of permutations of an n-set containing an 8-cycle.at n=12A029575
• Expansion of e.g.f. x*(1-2*x)*(1 - 2*x - sqrt(1-4*x))/2 - x^3.at n=9A052721
• E.g.f.: x^4*log(-1/(-1+x)).at n=12A052778
• Number of 1-connected claw-free cubic graphs with 2n nodes.at n=5A057848
• Number of 2-connected claw-free labeled cubic graphs with 2n nodes.at n=5A058929
• a(n) = denominator(b(n)), where b(1) = b(2) = 1, b(n) = (b(n-1) + b(n-2))/(n-1).at n=12A069944
• a(1) = 1; a(n) = n!*(3/2) for n>=2.at n=10A070960
• n! times sum of Farey fractions of order n.at n=9A093593
• Denominator of expression W_n occurring in analysis of bubble sort.at n=11A190187
• a(n+1) = 6*A060544(n)*a(n).at n=4A202946
• a(n) = 8^n - 7*7^n + 21*6^n - 35*5^n + 35*4^n - 21*3^n + 7*2^n - 1.at n=10A228910
• Triangle T(n, k) read by rows: T(n, k) = S2(n, k)*k! + S2(n, k-1)*(k-1)! with the Stirling2 triangle S2 = A048993.at n=63A285867
• Triangle read by rows: T(n,k) (n>=1, 3<=k<=n+2) is the number of k-sequences of balls colored with at most n colors such that exactly three balls are the same color as some other ball in the sequence.at n=44A292930
• Fourier coefficients of Eisenstein series of degree 2 and weight 4: a(n) = coefficient of the matrix [n, 0; 0, 1] with determinant n.at n=19A323991
• Write 1/(1 + sin x) = Product_{n>=1} (1 + f_n x^n); a(n) = denominator(f_n).at n=11A328186
• a(n) is the smallest integer that can be written as a product of n distinct integers > 1 in at least two different ways.at n=8A340727
• a(n) = Sum_{p|n, p prime} (n-1)!/(p-1)!.at n=11A352012
• Triangle read by rows. T(n, k) = binomial(n - 1, k - 1)*(n + k)! / k!.at n=33A357367