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A172095
as a simple table
n
a(n)
1
3
2
5
3
7
4
9
5
11
6
13
7
17
8
19
9
27
10
37
11
53
12
107
13
163
14
243
15
2187
16
2917
17
4373
18
8747
19
1594323
20
86093443
[3,5,7,9,11,13,17,19,27,37,53,107,163,243,2187, 2917,4373,8747,1594323,86093443]
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Last modified April 25 09:31 EDT 2024. Contains 371967 sequences. (Running on oeis4.)