# A371018 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 6
4 60
5 620
6 7950
7 129402
8 2365496
9 50512968
10 1208642490
11 32223422990
12 947694971652
13 30435132773916
14 1061061668979494
15 39889366397571810
16 1608910488000292080
17 69305890226183224592
18 3175519952912430375666
19 154216789672147809137046