# A147204 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 5
7 17
8 37
9 97
10 589
11 4299
12 27851
13 193127
14 2080835
15 29286959
16 452848509
17 7844143081
18 177658806371
19 5163186936815
20 177926288939305