# A007748 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 2
5 3
6 7
7 10
8 26
9 39
10 107
11 160
12 458
13 702
14 2058
15 3177
16 9498
17 14830
18 44947
19 70678
20 216598
21 342860
22 1059952
23 1686486
24 5251806
25 8393681
26 26297238
27 42187148
28 132856766
29 213828802
30 676398395
31 1091711076