# A373341 (b-file synthesized from sequence entry)
1 1
2 2
3 1
4 6
5 4
6 1
7 24
8 216
9 16
10 1
11 120
12 331776
13 10077696
14 256
15 1
16 720
17 24883200000
18 12116574790945106558976
19 1023490369077469249536
20 65536
21 1