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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.)