# A354860 (b-file synthesized from sequence entry)
1 2
2 3
3 30
4 35
5 2310
6 15015
7 34034
8 4849845
9 223092870
10 154040315
11 200560490130
12 742073813481
13 101416754509070
14 6541380665835015
15 55899071144408310
16 5431526412865007455
17 54936010004406075402
18 4511091590746421960895
19 2619440517026755685293030
20 278970415063349480483707695