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A122722 as a simple table

n a(n)
1 1
2 6
3 108
4 4488
5 376200
6 58652640
7 16119956160
8 7519632382080
9 5788821019685760
10 7197150396467808000
11 14206044114169232371200
12 43903287397136367836697600
13 210012592354755890839147008000
14 1540026232221309103088828327116800
15 17170286302440610680613970557956096000
16 289015112280462271460535463614055526400000 

[1,6,108,4488,376200,58652640,16119956160,
 7519632382080,5788821019685760,
 7197150396467808000,14206044114169232371200,
 43903287397136367836697600,
 210012592354755890839147008000,
 1540026232221309103088828327116800,
 17170286302440610680613970557956096000,
 289015112280462271460535463614055526400000]

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Last modified September 19 12:50 EDT 2024. Contains 376012 sequences. (Running on oeis4.)