# A152375 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 37056
9 297024
10 2589312
11 24999728
12 269064128
13 3019455096
14 36323535084
15 469163711448
16 6568832555744