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A289642
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
9
11
8
12
7
13
6
14
5
15
4
16
3
17
2
18
1
[1,2,3,4,5,6,7,8,9,9,8,7,6,5,4,3,2,1]
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Last modified April 25 09:32 EDT 2024. Contains 371967 sequences. (Running on oeis4.)