# A118341 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 48
4 282
5 1762
6 11488
7 77270
8 532239
9 3735488
10 26617976
11 192061278
12 1400453568
13 10303466638
14 76391703591
15 570195719792
16 4281169118106
17 32312317899352
18 245016567557504
19 1865677590201192
20 14259825593908356