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A146817 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 65
12 65
13 429
14 429
15 5631
16 5631
17 146823
18 146823
19 4351701
20 4351701
21 186793381
22 186793381 

[1,1,1,1,1,1,1,1,17,17,65,65,429,429,5631,5631,
 146823,146823,4351701,4351701,186793381,186793381]

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Last modified May 14 00:47 EDT 2024. Contains 372528 sequences. (Running on oeis4.)