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A011979
as a simple table
n
a(n)
4
1
5
4
6
6
7
12
8
14
9
25
10
30
11
47
12
57
13
78
14
91
15
124
16
140
17
183
18
207
[1,4,6,12,14,25,30,47,57,78,91,124,140,183,207]
