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A018578 as a simple table

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 10
8 11
9 12
10 15
11 20
12 22
13 30
14 33
15 44
16 55
17 60
18 66
19 110
20 132
21 165
22 220
23 330
24 660 

[1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,
 110,132,165,220,330,660]

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Last modified April 24 08:56 EDT 2024. Contains 371934 sequences. (Running on oeis4.)