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A081091 as a simple table

n a(n)
1 7
2 11
3 13
4 19
5 37
6 41
7 67
8 73
9 97
10 131
11 137
12 193
13 521
14 577
15 641
16 769
17 1033
18 1153
19 2053
20 2081
21 2113
22 4099
23 4129
24 8209
25 12289
26 16417
27 18433
28 32771
29 32801
30 32833
31 40961
32 65539
33 133121
34 147457
35 163841
36 262147
37 262153
38 262657
39 270337
40 524353
41 524801

[7,11,13,19,37,41,67,73,97,131,137,193,521,577,
 641,769,1033,1153,2053,2081,2113,4099,4129,8209,
 12289,16417,18433,32771,32801,32833,40961,65539,
 133121,147457,163841,262147,262153,262657,270337,
 524353,524801]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)