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A214518
as a simple table
n
a(n)
1
1
2
2
3
5
4
7
5
8
6
10
7
17
8
20
9
23
10
44
11
50
12
56
13
65
14
76
15
106
16
144
17
165
18
173
[1,2,5,7,8,10,17,20,23,44,50,56,65,76,106,144,165, 173]