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A204066 as a simple table

n a(n)
0 1
1 1
2 4
3 16
4 82
5 502
6 3574
7 29002
8 264166
9 2668666
10 29612014
11 358025986
12 4684916902
13 65966957722
14 994546450174
15 15984888286642
16 272845934899606
17 4929166716321706
18 93963635086523374
19 1884915966747571906
20 39691711412770983622
21 875410001054417122042
22 20180907494704416823774

[1,1,4,16,82,502,3574,29002,264166,2668666,
 29612014,358025986,4684916902,65966957722,
 994546450174,15984888286642,272845934899606,
 4929166716321706,93963635086523374,
 1884915966747571906,39691711412770983622,
 875410001054417122042,20180907494704416823774]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)