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A087721 as a simple table

n a(n)
1 2
2 3
3 4
4 5
5 6
6 8
7 10
8 11
9 12
10 16
11 20
12 21
13 22
14 23
15 24
16 25
17 30
18 32
19 38
20 39
21 40
22 41
23 42
24 43
25 44
26 45
27 46
28 47
29 48
30 52
31 54
32 56
33 58
34 60
35 61
36 62
37 64
38 66
39 68
40 71
41 72
42 73
43 77
44 78
45 79
46 80
47 82
48 83
49 85
50 87
51 88
52 90
53 91
54 92
55 93
56 94
57 96
58 101
59 106
60 108
61 109
62 111
63 114
64 115
65 118
66 120
67 122
68 123

[2,3,4,5,6,8,10,11,12,16,20,21,22,23,24,25,30,32,
 38,39,40,41,42,43,44,45,46,47,48,52,54,56,58,60,
 61,62,64,66,68,71,72,73,77,78,79,80,82,83,85,87,
 88,90,91,92,93,94,96,101,106,108,109,111,114,115,
 118,120,122,123]

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Last modified September 19 21:11 EDT 2021. Contains 347564 sequences. (Running on oeis4.)