# A025189 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 7
5 11
6 35
7 56
8 189
9 302
10 1038
11 1662
12 5797
13 9295
14 32747
15 52572
16 186615
17 299898
18 1070762
19 1722236
20 6177698
21 9943555
22 35802935
23 57663784
24 208279007
25 335631410
26 1215507450
27 1959644390
28 7113090285
29 11472439905
30 41724381765
31 67320086700