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A099733
as a simple table
n
a(n)
1
0
2
4
3
12
4
0
5
24
6
8
7
12
8
0
9
52
10
8
11
12
12
0
13
4
14
8
15
0
16
56
17
72
18
40
19
60
20
0
21
52
22
24
23
92
24
48
25
28
26
96
27
312
28
40
[0,4,12,0,24,8,12,0,52,8,12,0,4,8,0,56,72,40,60,0, 52,24,92,48,28,96,312,40]