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A052753 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 24
5 240
6 2040
7 17640
8 162456
9 1614816
10 17368320
11 201828000
12 2526193824
13 33936357312
14 487530074304
15 7463742249600
16 121367896891776
17 2089865973021696
18 37999535417459712
19 727710096185266176
20 14642785817771802624
21 308902349883623731200
22 6818239581643475251200

[0,0,0,0,24,240,2040,17640,162456,1614816,
 17368320,201828000,2526193824,33936357312,
 487530074304,7463742249600,121367896891776,
 2089865973021696,37999535417459712,
 727710096185266176,14642785817771802624,
 308902349883623731200,6818239581643475251200]

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Last modified May 15 14:34 EDT 2024. Contains 372540 sequences. (Running on oeis4.)