# A208989 (b-file synthesized from sequence entry)
1 1
2 3
3 7
4 33
5 159
6 874
7 4935
8 28816
9 171413
10 1036611
11 6350875
12 39346156
13 246076193
14 1551630136
15 9853551873
16 62966367376
17 404595868611