# A005253 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 2
5 4
6 7
7 11
8 16
9 23
10 34
11 52
12 81
13 126
14 194
15 296
16 450
17 685
18 1046
19 1601
20 2452
21 3753
22 5739
23 8771
24 13404
25 20489
26 31327
27 47904
28 73252
29 112004
30 171245
31 261813
32 400285
33 612009
34 935737
35 1430710
36 2187496
37 3344567
38 5113647
39 7818464
40 11953991
41 18277014