# A092435 (b-file synthesized from sequence entry)
1 1
2 1
3 4
4 24
5 17280
6 207360
7 696729600
8 12541132800
9 115880067072000
10 1366643159020339200000
11 40999294770610176000000
12 1854768736099424576471040000000
13 109950690675973888893203251200000000