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A146632 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 5
8 15
9 45
10 69
11 191
12 523
13 2197
14 7857
15 44519
16 172481
17 1142709
18 5725361
19 46827941
20 294096301
21 2934334465
22 22633368087

[1,1,1,1,1,1,5,15,45,69,191,523,2197,7857,44519,
 172481,1142709,5725361,46827941,294096301,
 2934334465,22633368087]

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Last modified May 24 03:38 EDT 2022. Contains 354005 sequences. (Running on oeis4.)