# A380663 (b-file synthesized from sequence entry)
0 1
1 2
2 15
3 208
4 4285
5 117936
6 4075099
7 169736960
8 8282604537
9 463604723200
10 29287449579751
11 2061571190059008
12 160023548976361525
13 13580237335641417728
14 1250935473495646861875
15 124307671411309327876096
16 13255531892787507819759601
17 1509841440567809574906101760