# A378565 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 43
4 271
5 1746
6 11425
7 75615
8 504799
9 3392953
10 22930282
11 155664356
12 1060710457
13 7250779238
14 49700101101
15 341474150583
16 2351032782783
17 16216401440106
18 112035931072915
19 775163096510445
20 5370301986029066
21 37249469056575504
22 258648802856972348