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A146631 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 7
14 7
15 21
16 21
17 47
18 47
19 215
20 215
21 1109
22 1109
23 8005

[1,1,1,1,1,1,1,1,1,1,1,1,7,7,21,21,47,47,215,215,
 1109,1109,8005]

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Last modified May 26 02:45 EDT 2022. Contains 354074 sequences. (Running on oeis4.)