# A203837 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 1
4 2
5 3
6 7
7 12
8 28
9 51
10 117
11 221
12 498
13 964
14 2138
15 4212
16 9219
17 18401
18 39850
19 80333
20 172520
21 350437
22 747658
23 1527648
24 3242589
25 6655572
26 14070946
27 28983184
28 61085625
29 126167668
30 265275043
31 549067801
32 1152293771
33 2388951139
34 5006276579
35 10392343314
36 21753656201
37 45202392073
38 94536770344
39 196591219072