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A081889 as a simple table

n a(n)
1 1
2 2
3 3
4 5
5 7
6 11
7 19
8 21
9 23
10 31
11 35
12 41
13 43
14 53
15 57
16 69
17 87
18 93
19 95
20 101
21 115
22 141
23 173
24 203 

[1,2,3,5,7,11,19,21,23,31,35,41,43,53,57,69,87,93,
 95,101,115,141,173,203]

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Last modified July 30 19:14 EDT 2024. Contains 374771 sequences. (Running on oeis4.)