# A034767 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 8
5 19
6 58
7 209
8 888
9 4150
10 21170
11 115985
12 678642
13 4213609
14 27644652
15 190899368
16 1382959444
17 10480142163
18 82864874064
19 682076806177
20 5832742226266
21 51724158235802
22 474869816272746
23 4506715738447345