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A086973 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 2
8 2
9 2
10 4
11 2
12 2
13 6
14 6
15 8
16 8
17 14
18 14
19 2
20 2
21 28
22 28
23 6
24 6
25 62
26 62
27 16
28 16
29 126
30 126
31 28
32 28
33 112
34 60
35 6
36 6
37 10
38 30
39 2
40 56
41 2640
42 2
43 4
44 6

[0,0,0,0,0,0,2,2,2,4,2,2,6,6,8,8,14,14,2,2,28,28,
 6,6,62,62,16,16,126,126,28,28,112,60,6,6,10,30,2,
 56,2640,2,4,6]

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Last modified September 19 19:41 EDT 2021. Contains 347564 sequences. (Running on oeis4.)