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A065902 as a simple table

n a(n)
2 7
3 79
4 127
5 7
6 647
7 2399
8 23
9 937
10 4999
11 14639
12 1481
13 28559
14 19207
15 23
16 31
17 47
18 73
19 18617
20 79999
21 194479
22 117127
23 5711
24 165887
25 73
26 4663
27 113
28 233
29 707279
30 47
31 40153
32 524287
33 191
34 167
35 257
36 439
37 267737
38 45329
39 2313439
40 182857
41 2825759
42 1555847

[7,79,127,7,647,2399,23,937,4999,14639,1481,28559,
 19207,23,31,47,73,18617,79999,194479,117127,5711,
 165887,73,4663,113,233,707279,47,40153,524287,191,
 167,257,439,267737,45329,2313439,182857,2825759,
 1555847]

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Last modified June 17 19:57 EDT 2021. Contains 345085 sequences. (Running on oeis4.)