# A203316 (b-file synthesized from sequence entry)
1 1
2 4
3 96
4 480
5 20160
6 129024
7 8294400
8 1423319040
9 8453652480
10 2463635865600
11 89117289676800
12 660834091008000
13 63038756487168000
14 20712734274355200000
15 4023397460155878604800
16 27460572284725493760000