# A005833 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 2
4 3
5 6
6 10
7 19
8 35
9 65
10 121
11 226
12 421
13 786
14 1467
15 2738
16 5111
17 9541
18 17810
19 33247
20 62064
21 115858
22 216279
23 403741
24 753687
25 1406953
26 2626444
27 4902941
28 9152616
29 17085741
30 31894984