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A082869 as a simple table

n a(n)
1 4
2 7
3 9
4 13
5 19
6 23
7 37
8 71
9 89
10 97
11 131
12 167
13 193
14 227
15 229
16 257
17 263
18 269
19 271

[4,7,9,13,19,23,37,71,89,97,131,167,193,227,229,
 257,263,269,271]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)