273922023375
domain: N
Appears in sequences
- Number of permutations in the symmetric group S_n that have odd order.at n=15A000246
- Expansion of e.g.f. theta_3^(7/2).at n=13A015667
- Number of level permutations of degree n.at n=15A053195
- a(n) = (2n-1)!! * (2n+1)!!, where the double factorial is A006882.at n=7A079484
- Number of permutations on [n] admitting an eighth root.at n=15A247006
- Table of the number of ways T(m,n) to partition a 2m X 2n grid into Cartesian products of size 2 X 2, read by ascending antidiagonals.at n=29A373692
- Table of the number of ways T(m,n) to partition a 2m X 2n grid into Cartesian products of size 2 X 2, read by ascending antidiagonals.at n=34A373692