# A129365 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 2
7 2
8 2
9 6
10 48
11 48
12 48
13 48
14 1536
15 207360
16 207360
17 207360
18 1105920
19 1105920
20 17694720
21 30098718720
22 15410543984640
23 15410543984640
24 481579499520
25 60197437440000
26 123284351877120000
27 29958097506140160000