# A147118 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 3
7 11
8 27
9 63
10 285
11 1745
12 11867
13 83339
14 729439
15 8174347
16 113015753
17 1872094927
18 37173405545
19 899575608439
20 26450719284143