# A038017 (b-file synthesized from sequence entry)
1 1
2 2
3 15
4 720
5 409600
6 3920030472
7 775775333825891
8 3837862827737186253664
9 558740081065710564284870598075
10 2755731923933734753149997221152548428020
11 520996314135332606285488148844494695722050333912483