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A209721 as a simple table

n a(n)
1 3
2 4
3 5
4 7
5 9
6 13
7 17
8 25
9 33
10 49
11 65
12 97
13 129
14 193
15 257
16 385
17 513
18 769
19 1025
20 1537
21 2049
22 3073
23 4097
24 6145
25 8193
26 12289
27 16385
28 24577
29 32769
30 49153
31 65537
32 98305
33 131073
34 196609
35 262145
36 393217
37 524289
38 786433
39 1048577
40 1572865
41 2097153
42 3145729

[3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,
 513,769,1025,1537,2049,3073,4097,6145,8193,12289,
 16385,24577,32769,49153,65537,98305,131073,196609,
 262145,393217,524289,786433,1048577,1572865,
 2097153,3145729]

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Last modified May 12 08:55 EDT 2024. Contains 372432 sequences. (Running on oeis4.)