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A320653 as a simple table

n a(n)
2 2
3 21
4 588
5 28230
6 2092206
7 220611384
8 31373370936
9 5785037767440
10 1342136211324090
11 382559909729171328
12 131411551493995125828
13 53537846795391076075776
14 25523603120175022166538150
15 14076445847378724286239575040
16 8892219411843450738850246324464 

[2,21,588,28230,2092206,220611384,31373370936,
 5785037767440,1342136211324090,382559909729171328,
 131411551493995125828,53537846795391076075776,
 25523603120175022166538150,
 14076445847378724286239575040,
 8892219411843450738850246324464]

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)