# A162181 (b-file synthesized from sequence entry)
0 1
1 43
2 945
3 14147
4 162238
5 1519706
6 12107381
7 84352455
8 524443953
9 2954877827
10 15270874059
11 73095540169
12 326649986846
13 1371916939730
14 5445905213996
15 20530576252412
16 73812456221233
17 253999791183699
18 839265188017740