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A064203 as a simple table

n a(n)
0 0
1 0
2 92
3 1500
4 11780
5 61880
6 249480
7 831992
8 2403800
9 6205760
10 14630660
11 32006260
12 65757692
13 128073400
14 238223440
15 425705840
16 734425840
17 1228144192
18 1997464300
19 3168663820
20 4914714420
21 7468873720
22 11141275992
23 16338993000

[0,0,92,1500,11780,61880,249480,831992,2403800,
 6205760,14630660,32006260,65757692,128073400,
 238223440,425705840,734425840,1228144192,
 1997464300,3168663820,4914714420,7468873720,
 11141275992,16338993000]

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Last modified October 1 12:39 EDT 2022. Contains 357147 sequences. (Running on oeis4.)