# A000067 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 6
4 10
5 18
6 33
7 60
8 111
9 205
10 385
11 725
12 1374
13 2610
14 4993
15 9578
16 18426
17 35568
18 68806
19 133411
20 259145
21 504222
22 982538
23 1917190
24 3745385
25 7324822
26 14339072
27 28095711
28 55095559
29 108124461
30 212342327
31 417283564
32 820520378
33 1614331755
34 3177789615
35 6258525127