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A129738 formatted as a simple table:

n a(n)
1 3
2 5
3 11
4 7
5 43
6 17
7 19
8 31
9 683
10 13
11 2731
12 127
13 331
14 257
15 43691
16 73
17 174763
18 41
19 5419
20 23
21 89
22 2796203
23 241
24 251
25 4051
26 8191
27 87211
28 29
29 113
30 59
31 3033169
32 151
33 715827883
34 65537
35 67
36 20857
37 131071
38 281
39 86171
40 37
41 109
42 25781083
43 1777
44 524287
45 22366891
46 61681
47 83

[3,5,11,7,43,17,19,31,683,13,2731,127,331,257,
 43691,73,174763,41,5419,23,89,2796203,241,251,
 4051,8191,87211,29,113,59,3033169,151,715827883,
 65537,67,20857,131071,281,86171,37,109,25781083,
 1777,524287,22366891,61681,83]

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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