# A369477 (b-file synthesized from sequence entry)
0 1
1 3
2 14
3 77
4 464
5 2964
6 19717
7 135131
8 947549
9 6765642
10 49022225
11 359545750
12 2664127354
13 19913283809
14 149968276974
15 1136856855549
16 8668000962927
17 66428474900907
18 511414514214628
19 3953420853213504
20 30674783555852576
21 238808419235022293
22 1864869207177530320