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A003585 as a simple table

n a(n)
1 3
2 7
3 21
4 31
5 33
6 43
7 67
8 79
9 87
10 133
11 217
12 219
13 223
14 253
15 307
16 391
17 679
18 2719 

[3,7,21,31,33,43,67,79,87,133,217,219,223,253,307,
 391,679,2719]

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Last modified April 23 06:38 EDT 2021. Contains 343201 sequences. (Running on oeis4.)