# A148433 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 19
5 62
6 239
7 864
8 3566
9 13868
10 58920
11 239080
12 1036763
13 4332325
14 19075298
15 81448735
16 362573593
17 1573070743
18 7063456476
19 31032442606
20 140305062067
21 622585027321
22 2830717307941
23 12663320633915
24 57847182842753
25 260530394622910
26 1194859922437770
27 5411945823430944
28 24905346976487567