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A153643 as a simple table

n a(n)
0 2
1 3
2 3
3 5
4 7
5 13
6 23
7 45
8 87
9 173
10 343
11 685
12 1367
13 2733
14 5463
15 10925
16 21847
17 43693
18 87383
19 174765
20 349527
21 699053
22 1398103
23 2796205
24 5592407
25 11184813
26 22369623
27 44739245
28 89478487
29 178956973
30 357913943
31 715827885
32 1431655767
33 2863311533
34 5726623063

[2,3,3,5,7,13,23,45,87,173,343,685,1367,2733,5463,
 10925,21847,43693,87383,174765,349527,699053,
 1398103,2796205,5592407,11184813,22369623,
 44739245,89478487,178956973,357913943,715827885,
 1431655767,2863311533,5726623063]

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Last modified November 22 13:47 EST 2019. Contains 329393 sequences. (Running on oeis4.)