# A128725 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 30
5 107
6 399
7 1537
8 6069
9 24434
10 99924
11 413943
12 1733394
13 7325471
14 31203159
15 133825441
16 577418430
17 2504681465
18 10916208453
19 47778816718
20 209923718880
21 925537620996
22 4093530000888
23 18157477014599
24 80753894026905