# A131450 (b-file synthesized from sequence entry)
1 0
2 1
3 0
4 1
5 1
6 1
7 1
8 1
9 2
10 4
11 6
12 6
13 7
14 8
15 11
16 18
17 23
18 29
19 39
20 52
21 71
22 99
23 124
24 160
25 220
26 302
27 403
28 532
29 707
30 936
31 1249
32 1668
33 2220
34 2976
35 3966
36 5278
37 7028
38 9386
39 12531
40 16696
41 22246
42 29622
43 39540
44 52768
45 70395
46 93795
47 124977
48 166619
49 222222
50 296358
51 395213