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A043851 as a simple table

n a(n)
1 1
2 2
3 3
4 5
5 10
6 15
7 21
8 42
9 63
10 85
11 170
12 255
13 341
14 682
15 1023
16 1365
17 2730
18 4095
19 5461
20 10922
21 16383
22 21845
23 43690
24 65535
25 69905
26 69906
27 69907
28 69912
29 69913
30 69915
31 69916
32 69917
33 69918
34 69921
35 69922
36 69923
37 69924
38 69926
39 69927

[1,2,3,5,10,15,21,42,63,85,170,255,341,682,1023,
 1365,2730,4095,5461,10922,16383,21845,43690,65535,
 69905,69906,69907,69912,69913,69915,69916,69917,
 69918,69921,69922,69923,69924,69926,69927]

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Last modified May 7 10:18 EDT 2021. Contains 343650 sequences. (Running on oeis4.)