# A047173 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 3
6 4
7 12
8 15
9 40
10 51
11 135
12 175
13 455
14 596
15 1540
16 2037
17 5250
18 7000
19 18000
20 24156
21 62007
22 83667
23 214467
24 290719
25 744315
26 1012935
27 2590679
28 3537703
29 9039823
30 12381252
31 31612324
32 43411489
33 110761494
34 152459010