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A051281 as a simple table

n a(n)
1 1
2 3
3 7
4 31
5 127
6 217
7 889
8 2667
9 3937
10 8191
11 27559
12 57337
13 131071
14 172011
15 253921
16 524287
17 917497
18 1040257
19 1777447
20 3670009
21 4063201
22 11010027
23 12189603
24 16252897
25 16646017
26 66584449
27 113770279
28 116522119
29 225735769
30 677207307
31 1073602561
32 2147483647
33 3612185689
34 4294434817
35 7515217927

[1,3,7,31,127,217,889,2667,3937,8191,27559,57337,
 131071,172011,253921,524287,917497,1040257,
 1777447,3670009,4063201,11010027,12189603,
 16252897,16646017,66584449,113770279,116522119,
 225735769,677207307,1073602561,2147483647,
 3612185689,4294434817,7515217927]

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Last modified June 7 07:25 EDT 2024. Contains 373146 sequences. (Running on oeis4.)