# A185314 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 1
4 3
5 2
6 4
7 2
8 7
9 3
10 14
11 6
12 44
13 37
14 350
15 1616
16 18042
17 193919
18 2867779
19 32674078
20 1581632332
21 6705889886