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A028771 as a simple table

n a(n)
1 2
2 3
3 8
4 10
5 11
6 12
7 14
8 15
9 17
10 18
11 19
12 21
13 26
14 27
15 31
16 32
17 37
18 39
19 40
20 41
21 43
22 44
23 46
24 47
25 48
26 50
27 55
28 56

[2,3,8,10,11,12,14,15,17,18,19,21,26,27,31,32,37,
 39,40,41,43,44,46,47,48,50,55,56]

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Last modified May 10 14:25 EDT 2021. Contains 343770 sequences. (Running on oeis4.)