# A107870 (b-file synthesized from sequence entry)
0 1
1 3
2 1
3 10
4 4
5 1
6 56
7 21
8 5
9 1
10 495
11 165
12 36
13 6
14 1
15 6188
16 1820
17 364
18 55
19 7
20 1
21 100947
22 26334
23 4845
24 680
25 78
26 8
27 1
28 2035800
29 475020
30 80730
31 10626
32 1140
33 105
34 9
35 1
36 48903492
37 10295472
38 1623160
39 201376
40 20475
41 1771
42 136
43 10
44 1
45 1362649145
46 260932815