# A105309 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 9
5 20
6 41
7 85
8 178
9 369
10 769
11 1600
12 3329
13 6929
14 14418
15 30005
16 62441
17 129940
18 270409
19 562725
20 1171042
21 2436961
22 5071361
23 10553600
24 21962241
25 45703841
26 95110562
27 197926885
28 411889609
29 857150100
30 1783745641
31 3712008565