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A153601 as a simple table

n a(n)
1 1
2 3
3 5
4 7
5 11
6 13
7 17
8 31
9 43
10 57
11 73
12 127
13 151
14 205
15 241
16 257
17 331
18 683
19 2047
20 2359
21 2731
22 3277
23 4033
24 5419
25 8191
26 43691
27 61681
28 65281
29 65537
30 80581
31 131071
32 174763
33 261633
34 262657
35 524287
36 599479
37 838861
38 1016801
39 1082401
40 1397419
41 2796203

[1,3,5,7,11,13,17,31,43,57,73,127,151,205,241,257,
 331,683,2047,2359,2731,3277,4033,5419,8191,43691,
 61681,65281,65537,80581,131071,174763,261633,
 262657,524287,599479,838861,1016801,1082401,
 1397419,2796203]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)