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A158118 formatted as a simple table:

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 2
13 0
14 0
15 4
16 2
17 0
18 0
19 4
20 124
21 0
22 0
23 536
24 712
25 0
26 0
27 4574
28 2260
29 0
30 0
31 10634
32 73758
33 0
34 0
35 406032
36 638830
37 0
38 0
39 4249160
40 3263500
41 0
42 0
43 21907736
44 82561050
45 0
46 0
47 485798436
48 945916970
49 0
50 0
51 5968541478
52 6839493576
53 0
54 0

[0,0,0,0,0,0,0,0,0,0,0,2,0,0,4,2,0,0,4,124,0,0,
 536,712,0,0,4574,2260,0,0,10634,73758,0,0,406032,
 638830,0,0,4249160,3263500,0,0,21907736,82561050,
 0,0,485798436,945916970,0,0,5968541478,6839493576,
 0,0]

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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