# A334746 (b-file synthesized from sequence entry)
1 1
2 4
3 16
4 144
5 3600
6 1800
7 57600
8 518400
9 62726400
10 3073593600
11 614718720
12 614718720
13 3073593600
14 3073593600
15 1625931014400
16 274782341433600
17 231091949145657600
18 231091949145657600
19 231091949145657600
20 231091949145657600
21 77030649715219200