# A149229 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 10
4 46
5 146
6 700
7 2492
8 12157
9 46188
10 227311
11 900226
12 4452740
13 18148307
14 90047902
15 374826004
16 1863659513
17 7883484889
18 39253107698
19 168170902251
20 838196417310
21 3628259977798
22 18097238940635
23 79007013608333
24 394289893216477
25 1733728245047414
26 8655824582343977
27 38293785863624445