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A005330 as a simple table

n a(n)
2 1
3 5
4 40
5 644
6 21496
7 1471460
8 204062440
9 56865072164
10 31688930152696
11 35223651007587140
12 78001790003385408040
13 343983307379873262633284
14 3020895063527811952260491896
15 52843677532033943174017588842020
16 1841795434229559227318546660111716840

[1,5,40,644,21496,1471460,204062440,56865072164,
 31688930152696,35223651007587140,
 78001790003385408040,343983307379873262633284,
 3020895063527811952260491896,
 52843677532033943174017588842020,
 1841795434229559227318546660111716840]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)