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A058023 as a simple table

n a(n)
3 3
4 7
5 53
6 409
7 829
8 2503
9 27701
10 360337
11 720703
12 12252197
13 232792501
14 5354228843
15 26771144371
16 80313433159
17 2329089562747
18 72201776446757
19 144403552893563
20 5342931457063157
21 219060189739591153
22 9419588158802421517
23 442720643463713815129

[3,7,53,409,829,2503,27701,360337,720703,12252197,
 232792501,5354228843,26771144371,80313433159,
 2329089562747,72201776446757,144403552893563,
 5342931457063157,219060189739591153,
 9419588158802421517,442720643463713815129]

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Last modified September 27 10:28 EDT 2021. Contains 347689 sequences. (Running on oeis4.)