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A034685
as a simple table
n
a(n)
1
1
2
2
3
4
4
9
5
18
6
12
7
13
8
34
9
74
10
72
11
259
12
312
13
892
14
167
15
1334
16
1561
17
3326
18
5133
19
12054
[1,2,4,9,18,12,13,34,74,72,259,312,892,167,1334, 1561,3326,5133,12054]
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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)