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A171987 as a simple table

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 20
19 24
20 25
21 26
22 28
23 29
24 30
25 31
26 32
27 33
28 34
29 36
30 40
31 48
32 49
33 50
34 52
35 56
36 57
37 58
38 60
39 61
40 62
41 63
42 64

[1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,18,20,24,
 25,26,28,29,30,31,32,33,34,36,40,48,49,50,52,56,
 57,58,60,61,62,63,64]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)