# A147034 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 5
7 25
8 85
9 499
10 2253
11 9751
12 103141
13 1030207
14 12930523
15 188986765
16 3964919203
17 79856104275
18 2515127447393