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A108311
as a simple table
n
a(n)
1
2
2
5
3
8
4
12
5
15
6
18
7
20
8
30
9
80
10
143
11
152
12
164
13
176
14
239
15
291
16
324
17
504
18
594
19
983
20
2894
[2,5,8,12,15,18,20,30,80,143,152,164,176,239,291, 324,504,594,983,2894]
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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)