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A005443 as a simple table

n a(n)
0 0
1 1
2 2
3 12
4 72
5 600
6 5760
7 65520
8 846720
9 12337920
10 199584000
11 3552595200
12 68976230400
13 1450895846400
14 32866215782400
15 797681364480000
16 20650793619456000
17 568032822669312000
18 16543733655601152000
19 508598164809326592000
20 16458582085314969600000

[0,1,2,12,72,600,5760,65520,846720,12337920,
 199584000,3552595200,68976230400,1450895846400,
 32866215782400,797681364480000,20650793619456000,
 568032822669312000,16543733655601152000,
 508598164809326592000,16458582085314969600000]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)