# A215109 (b-file synthesized from sequence entry)
0 1
1 3
2 5
3 12
4 23
5 43
6 81
7 148
8 266
9 476
10 842
11 1478
12 2581
13 4481
14 7743
15 13328
16 22857
17 39073
18 66605
19 113242
20 192084
21 325128
22 549252
23 926220
24 1559353
25 2621295
26 4400249
27 7376868
28 12352043
29 20659159
30 34516377