# A063682 (b-file synthesized from sequence entry)
1 0
2 1
3 3
4 13
5 52
6 229
7 1024
8 4749
9 22454
10 108299
11 529896
12 2625903
13 13148268
14 66428383
15 338197609
16 1733399552
17 8936746984
18 46315049443
19 241146306914
20 1260805087503
21 6616786338256
22 34843842405490
23 184057255372576