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A335873 as a simple table

n a(n)
0 0
1 1
2 4
3 10
4 48
5 216
6 1440
7 9360
8 80640
9 685440
10 7257600
11 76204800
12 958003200
13 11975040000
14 174356582400
15 2528170444800
16 41845579776000
17 690452066304000
18 12804747411456000
19 236887827111936000
20 4865804016353280000
21 99748982335242240000
22 2248001455555215360000

[0,1,4,10,48,216,1440,9360,80640,685440,7257600,
 76204800,958003200,11975040000,174356582400,
 2528170444800,41845579776000,690452066304000,
 12804747411456000,236887827111936000,
 4865804016353280000,99748982335242240000,
 2248001455555215360000]

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Last modified August 8 21:17 EDT 2024. Contains 375023 sequences. (Running on oeis4.)