127008000

Appears in sequences

• E.g.f. (2-3x)/((1-x)(1-x-x^2)).at n=10A052661
• Denominators of probabilities in gift exchange problem with n people.at n=9A102263
• Number of runs of even entries in all permutations of {1,2,...,n} (the permutation 274831659 has 3 runs of even entries: 2, 48 and 6).at n=9A152668
• Triangle T(n, k) = c(n)/(c(k)*c(n-k)) where c(n) = (n-2)!*(n-1)!*n!*(n+1)!*(n+3)!/1440 with c(0) = c(1) = 1 and c(2) = 2, read by rows.at n=24A173890
• Denominators of poly-Cauchy numbers c_n^(3).at n=9A224096
• Denominators of poly-Cauchy numbers of the second kind hat c_n^(3).at n=9A224103
• Triangle read by rows: binomial(n,k)*(2*n-k)!, n>=0, 0<=k<=n.at n=32A328826