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A131105 formatted as a simple table:

n a(n)
2 2
3 6
4 0
5 12
6 0
7 0
8 20
9 0
10 36
11 0
12 30
13 0
14 144
15 60
16 0
17 42
18 0
19 360
20 240
21 90
22 0
23 56
24 0
25 720
26 600
27 1440
28 126
29 0
30 72
31 0
32 1260
33 1200
34 6300
35 5544
36 168
37 0
38 90
39 0
40 2016
41 2100
42 18000
43 26460
44 17472
45 216
46 0
47 110
48 0
49 3024
50 3360
51 40950
52 78120
53 136080
54 49248
55 270
56 0
57 132
58 0
59 4320

[2,6,0,12,0,0,20,0,36,0,30,0,144,60,0,42,0,360,
 240,90,0,56,0,720,600,1440,126,0,72,0,1260,1200,
 6300,5544,168,0,90,0,2016,2100,18000,26460,17472,
 216,0,110,0,3024,3360,40950,78120,136080,49248,
 270,0,132,0,4320]

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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