3405402000

Appears in sequences

• Denominators of coefficients for repeated integration.at n=5A002682
• For n >= 1 a(n) is the size of the conjugacy class in the symmetric group S_(4n) consisting of permutations whose cycle decomposition is a product of n disjoint 4-cycles.at n=4A060706
• Denominators for computation of column sequences of triangle A071951 (Legendre-Stirling).at n=7A089500
• Triangle, read by rows, where T(n,k) = n!/(k!*(n-4*k)!*4^k) for n>=4*k>=0.at n=44A118933
• Number of permutations of 1..n with the sequence of sums of 7 adjacent elements having exactly 2 maxima.at n=5A179732
• Denominators in expansion of 1/(1-log(1+x)).at n=15A226933
• Denominator of the sum of inverse products of parts in all compositions of n.at n=15A323340
• a(n) = multinomial(2*n+3; 3, 2, 2, ..., 2) (n times '2').at n=6A327411
• Expansion of e.g.f. exp( Sum_{k>=0} x^(5*k+4) / (5*k+4) ).at n=16A365989
• Number of permutations of [n] such that the number of cycles of length k is zero or equals k for every k.at n=16A372579
• Table read by antidiagonals: T(n,k) = (n*k)!/(n^k*k!), n >=1, k >= 0.at n=31A377597
• a(n) = (1/n) * Product_{k=1..n} radical(k) for n >= 1, a(0) = 1, where radical(n) is the product of distinct prime factors of n, cf. A007947.at n=16A387140