784604620800
domain: N
Appears in sequences
- Number of pairs of sequences of cardinality at least 3.at n=14A052521
- Expansion of e.g.f. (1-x^2)/(1-x^2-x^3).at n=14A052679
- Expansion of e.g.f. (1+x-x^3)/((1-x)*(1-x^2)).at n=14A052687
- Number of alternating runs in all permutations of [n] (the permutation 732569148 has four alternating runs: 732, 2569, 91 and 148).at n=12A097971
- Denominators of coefficients in expansion of 3/(2 + cos(sqrt(x))).at n=7A279234
- a(0) = 0; for n>0, a(n) = 9*n!.at n=14A295473
- Number of ways to fill a 3D matrix with n distinct values.at n=14A306656
- Denominators of even-numbered Maclaurin coefficients of sqrt(tan(x)/x).at n=7A367519