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A213677 as a simple table

n a(n)
1 5
2 7
3 11
4 29
5 31
6 59
7 61
8 127
9 251
10 509
11 1019
12 1021
13 262139
14 1048571
15 2147483647 

[5,7,11,29,31,59,61,127,251,509,1019,1021,262139,
 1048571,2147483647]

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Last modified September 5 22:34 EDT 2024. Contains 375701 sequences. (Running on oeis4.)