# A152705 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 362880
10 3456000
11 35818560
12 397843200
13 4840955424
14 63268788096
15 876875726720
16 13227646220096