# A032338 (b-file synthesized from sequence entry)
1 3
2 6
3 6
4 72
5 1440
6 26640
7 589680
8 13426560
9 353808000
10 9841305600
11 306920275200
12 10257340262400
13 375041008742400
14 14697998361446400
15 621176708984832000
16 28005677334835200000
17 1347486252598886400000