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A089541 as a simple table

n a(n)
1 2
2 2
3 3
4 5
5 11
6 103
7 71
8 661
9 72577
10 329891
11 13305601
12 4938161
13 75024347
14 3790360487
15 186810624001
16 10461394944001
17 118562476032001
18 24343626257521
19 1713311273363831
20 117876683047
21 4644631106519040001
22 3994008464491

[2,2,3,5,11,103,71,661,72577,329891,13305601,
 4938161,75024347,3790360487,186810624001,
 10461394944001,118562476032001,24343626257521,
 1713311273363831,117876683047,4644631106519040001,
 3994008464491]

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Last modified September 16 21:28 EDT 2021. Contains 347473 sequences. (Running on oeis4.)