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A000178 as a simple table

n a(n)
0 1
1 1
2 2
3 12
4 288
5 34560
6 24883200
7 125411328000
8 5056584744960000
9 1834933472251084800000
10 6658606584104736522240000000
11 265790267296391946810949632000000000
12 127313963299399416749559771247411200000000000

[1,1,2,12,288,34560,24883200,125411328000,
 5056584744960000,1834933472251084800000,
 6658606584104736522240000000,
 265790267296391946810949632000000000,
 127313963299399416749559771247411200000000000]

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Last modified August 19 15:55 EDT 2018. Contains 313878 sequences. (Running on oeis4.)