# A068565 (b-file synthesized from sequence entry)
1 2
2 8
3 3
4 192
5 960
6 1920
7 1680
8 215040
9 645120
10 64512
11 1419264
12 11354112
13 147603456
14 295206912
15 46126080
16 47233105920
17 802962800640
18 802962800640
19 15256293212160
20 61025172848640
21 61025172848640
22 122050345697280