# A054111 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 18
4 39
5 82
6 167
7 338
8 679
9 1362
10 2727
11 5458
12 10919
13 21842
14 43687
15 87378
16 174759
17 349522
18 699047
19 1398098
20 2796199
21 5592402
22 11184807
23 22369618
24 44739239
25 89478482
26 178956967
27 357913938
28 715827879
29 1431655762