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A166874
as a simple table
n
a(n)
1
1
2
2
3
3
4
5
5
10
6
19
7
20
8
30
9
1000
10
2000
11
3000
[1,2,3,5,10,19,20,30,1000,2000,3000]
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Last modified May 14 21:33 EDT 2024. Contains 372533 sequences. (Running on oeis4.)