# A097418 (b-file synthesized from sequence entry)
1 1
2 2
3 0
4 3
5 2
6 0
7 4
8 8
9 8
10 0
11 5
12 20
13 56
14 56
15 0
16 6
17 40
18 216
19 608
20 608
21 0
22 7
23 70
24 616
25 3352
26 9440
27 9440
28 0
29 8
30 112
31 1456
32 12928
33 70400
34 198272
35 198272
36 0
37 9
38 168
39 3024
40 39696
41 352768
42 1921152
43 5410688
44 5410688
45 0
46 10
47 240
48 5712
49 103872
50 1364800
51 12129664
52 66057856
53 186043904
54 186043904
55 0