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A114778 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 24
5 240
6 4320
7 120960
8 9676800
9 1567641600
10 438939648000
11 386266890240000
12 750902834626560000
13 2733286318040678400000
14 33674087438261157888000000
15 981936389699695364014080000000

[1,1,2,6,24,240,4320,120960,9676800,1567641600,
 438939648000,386266890240000,750902834626560000,
 2733286318040678400000,33674087438261157888000000,
 981936389699695364014080000000]

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Last modified September 2 05:36 EDT 2024. Contains 375604 sequences. (Running on oeis4.)