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A054530
as a simple table
n
a(n)
4
0
5
0
6
2
7
8
8
4
9
6
10
12
11
22
12
20
13
22
14
24
15
56
16
54
17
56
18
76
19
80
20
88
[0,0,2,8,4,6,12,22,20,22,24,56,54,56,76,80,88]