# A149714 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 71
5 291
6 1263
7 5545
8 24863
9 112615
10 516095
11 2382625
12 11078531
13 51803127
14 243445243
15 1148868421
16 5442173607
17 25863234031
18 123268672809
19 589036267603
20 2821223891721
21 13540625750037
22 65112211539935
23 313642296987631
24 1513183310767931
25 7311001116257717
26 35370500961016577
27 171332868702805971