# A249892 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 15
5 52
6 207
7 923
8 4532
9 24271
10 140581
11 874434
12 5806557
13 40955973
14 305544958
15 2402139329
16 19837601155
17 171598571288
18 1550865447043
19 14611295961047
20 143210242799872
21 1457573997373131
22 15379106145570681
23 167962044452359398
24 1896100883094424657
25 22096376018936592193