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A169826
as a simple table
n
a(n)
1
1
2
2
3
5
4
8
5
16
6
27
7
45
8
69
9
109
10
171
11
268
12
404
13
597
14
860
15
1215
[1,2,5,8,16,27,45,69,109,171,268,404,597,860,1215]