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A280236
as a simple table
n
a(n)
1
2
2
6
3
8
4
12
5
20
6
24
7
28
8
30
9
32
10
36
11
40
12
44
13
48
14
50
15
54
16
56
17
60
18
64
19
66
20
70
21
72
22
80
23
88
24
90
25
96
[2,6,8,12,20,24,28,30,32,36,40,44,48,50,54,56,60, 64,66,70,72,80,88,90,96]