# A152643 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 339840
10 3151872
11 31926528
12 352653888
13 4226533888
14 54936197152
15 764592120720
16 11371146947248