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A282899 as a simple table

n a(n)
1 1
2 120
3 1680
4 8960
5 25344
6 30750720
7 53248
8 167116800
9 1333592064
10 2739404800
11 72351744
12 526720696320
13 419430400
14 525462405120
15 55745722712064
16 45268955299840
17 141733920768
18 3462000479620300800
19 2542620639232
20 483482750523801600
21 284950532966055936

[1,120,1680,8960,25344,30750720,53248,167116800,
 1333592064,2739404800,72351744,526720696320,
 419430400,525462405120,55745722712064,
 45268955299840,141733920768,3462000479620300800,
 2542620639232,483482750523801600,
 284950532966055936]

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Last modified May 19 23:42 EDT 2024. Contains 372703 sequences. (Running on oeis4.)