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A048803 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 12
5 60
6 360
7 2520
8 5040
9 15120
10 151200
11 1663200
12 9979200
13 129729600
14 1816214400
15 27243216000
16 54486432000
17 926269344000
18 5557616064000
19 105594705216000
20 1055947052160000
21 22174888095360000
22 487847538097920000

[1,1,2,6,12,60,360,2520,5040,15120,151200,1663200,
 9979200,129729600,1816214400,27243216000,
 54486432000,926269344000,5557616064000,
 105594705216000,1055947052160000,
 22174888095360000,487847538097920000]

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Last modified April 24 09:18 EDT 2024. Contains 371935 sequences. (Running on oeis4.)