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A145810
as a simple table
n
a(n)
1
0
2
0
3
2
4
2
5
4
6
4
7
8
8
8
9
14
10
12
11
20
12
20
13
27
14
28
15
38
16
36
17
47
18
48
[0,0,2,2,4,4,8,8,14,12,20,20,27,28,38,36,47,48]