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A162500
as a simple table
n
a(n)
0
1
1
3
2
6
3
9
4
12
5
15
6
17
7
18
8
18
9
17
10
15
11
12
12
9
13
6
14
3
15
1
[1,3,6,9,12,15,17,18,18,17,15,12,9,6,3,1]
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Last modified August 26 15:57 EDT 2024. Contains 375457 sequences. (Running on oeis4.)