# A226594 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 2
5 3
6 6
7 11
8 22
9 42
10 102
11 204
12 488
13 1078
14 2723
15 6403
16 16479
17 40313
18 106135
19 271295
20 724455