# A376292 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 24
5 60
6 240
7 1260
8 169344
9 1693440
10 17150400
11 187941600
12 12778698240
13 271809457920
14 5031211086720
15 91848556800000
16 4643532967772160
17 154079136039628800
18 4367731446302515200
19 117143657916761548800
20 5457792037686441984000