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A361809
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
15
9
46
10
58
11
817
12
5494
13
8502
[1,2,3,4,5,6,7,15,46,58,817,5494,8502]
