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A185609 as a simple table

n a(n)
1 0
2 580
3 580
4 2366
5 11354
6 2366
7 22236
8 172026
9 172026
10 22236
11 118616
12 3017724
13 4473352
14 3017724
15 118616
16 891506
17 50646550
18 173403770
19 173403770
20 50646550
21 891506
22 5489048
23 873299900
24 5539941616
25 15211806726
26 5539941616
27 873299900

[0,580,580,2366,11354,2366,22236,172026,172026,
 22236,118616,3017724,4473352,3017724,118616,
 891506,50646550,173403770,173403770,50646550,
 891506,5489048,873299900,5539941616,15211806726,
 5539941616,873299900]

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Last modified June 27 16:27 EDT 2022. Contains 354896 sequences. (Running on oeis4.)