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A268875 as a simple table

n a(n)
8 1
9 640
10 152911
11 23164846
12 2714820329
13 271759470360
14 24588746199473
15 2082837287313124
16 169027530016448143
17 13349998611515172343
18 1037605365413191022180
19 79994419884937925588421
20 6152869874227250487574264
21 474174252765810600785056187

[1,640,152911,23164846,2714820329,271759470360,
 24588746199473,2082837287313124,
 169027530016448143,13349998611515172343,
 1037605365413191022180,79994419884937925588421,
 6152869874227250487574264,
 474174252765810600785056187]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)