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A089728
as a simple table
n
a(n)
1
2
2
5
3
13
4
13
5
31
6
31
7
71
8
73
9
73
10
71
11
199
12
157
13
157
14
211
15
211
16
337
17
199
18
419
[2,5,13,13,31,31,71,73,73,71,199,157,157,211,211, 337,199,419]
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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)