# A027988 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 7
5 14
6 26
7 51
8 97
9 189
10 365
11 709
12 1383
13 2683
14 5270
15 10220
16 20175
17 39130
18 77533
19 150438
20 298925
21 580328
22 1155661
23 2245004
24 4478413
25 8705686
26 17390359
27 33828704
28 67650909
29 131901368
30 263589730
31 515037942
32 1028483089