# A000077 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 8
5 13
6 24
7 42
8 76
9 140
10 257
11 483
12 907
13 1717
14 3272
15 6261
16 12027
17 23172
18 44769
19 86708
20 168245
21 327073
22 636849
23 1241720
24 2424290
25 4738450
26 9271396
27 18157630
28 35591729
29 69820804
30 137069245
31 269270791
32 529312776
33 1041093937
34 2048826229
35 4034062310