# A086487 (b-file synthesized from sequence entry)
1 2
2 0
3 30
4 1122
5 2730
6 72930
7 870870
8 9699690
9 340510170
10 9592993410
11 265257422430
12 8624101075590
13 304250263527210
14 14299762385778870
15 1164365758518632670
16 43657174563782890110
17 1987938667108592728530