# A167565 (b-file synthesized from sequence entry)
1 1
2 2
3 0
4 3
5 1
6 2
7 4
8 4
9 16
10 0
11 5
12 10
13 67
14 14
15 24
16 6
17 20
18 202
19 124
20 368
21 0
22 7
23 35
24 497
25 601
26 2736
27 444
28 720
29 8
30 56
31 1064
32 2120
33 13712
34 6464
35 16896
36 0
37 9
38 84
39 2058
40 6096
41 53121
42 48876
43 186732
44 25584
45 40320
46 10
47 120
48 3684
49 15168
50 171258
51 257640
52 1350296