# A366775 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 15
5 52
6 203
7 877
8 4140
9 21146
10 115938
11 677765
12 4200011
13 27446229
14 188255890
15 1349652560
16 10075332564
17 78052115894
18 625568350179
19 5173033558415
20 44028767332852
21 384857341649657