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A018701
as a simple table
n
a(n)
1
1
2
2
3
4
4
13
5
17
6
26
7
34
8
52
9
68
10
221
11
442
12
884
[1,2,4,13,17,26,34,52,68,221,442,884]
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Last modified September 24 02:17 EDT 2024. Contains 376185 sequences. (Running on oeis4.)