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A146391 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 17
10 17
11 85
12 85
13 693
14 693
15 9501
16 9501
17 265597
18 265597
19 10400895
20 10400895
21 596407005
22 596407005

[1,1,1,1,1,1,1,1,17,17,85,85,693,693,9501,9501,
 265597,265597,10400895,10400895,596407005,
 596407005]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)