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A272969
as a simple table
n
a(n)
1
4
2
21
3
4
4
8
5
4
6
37
7
8
8
44
9
8
10
44
11
0
12
34
13
4
14
44
15
0
16
48
17
0
18
52
[4,21,4,8,4,37,8,44,8,44,0,34,4,44,0,48,0,52]
