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A055317 as a simple table

n a(n)
6 6
7 630
8 30240
9 1058400
10 31752000
11 880165440
12 23471078400
13 616475059200
14 16182470304000
15 428535787680000
16 11519041972838400
17 315583670578176000
18 8836342776188928000
19 253325921601392640000
20 7444680145020518400000 

[6,630,30240,1058400,31752000,880165440,
 23471078400,616475059200,16182470304000,
 428535787680000,11519041972838400,
 315583670578176000,8836342776188928000,
 253325921601392640000,7444680145020518400000]

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Last modified May 17 12:26 EDT 2024. Contains 372600 sequences. (Running on oeis4.)