# A129937 (b-file synthesized from sequence entry)
1 1
2 1
3 0
4 0
5 0
6 5
7 14
8 42
9 90
10 207
11 407
12 858
13 1638
14 3341
15 6330
16 12750
17 24174
18 48467
19 92207
20 184566
21 352506
22 705201
23 1351825
24 2703880
25 5200000
26 10400275
27 20057949
28 40116222
29 77558354
30 155117085
31 300539730
32 601079894
33 1166802582
34 2333605659
35 4537567055
36 9075134670
37 17672631234
38 35345263097
39 68923263669
40 137846528040
41 269128936400
42 538257873579