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A189489 as a simple table

n a(n)
1 1
2 2
3 21
4 316
5 6585
6 175806
7 5721751
8 219745464
9 9728459649
10 487801567450
11 27324106499151
12 1691088748445988
13 114599615476376641
14 8439660980624004054
15 671153163802253622015
16 57318785900916268120816
17 5232275890842631832845569
18 508392303097143633219583794
19 52387774873952883533684837839

[1,2,21,316,6585,175806,5721751,219745464,
 9728459649,487801567450,27324106499151,
 1691088748445988,114599615476376641,
 8439660980624004054,671153163802253622015,
 57318785900916268120816,5232275890842631832845569,
 508392303097143633219583794,
 52387774873952883533684837839]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)