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A052570 as a simple table

na(n)
00
11
28
396
41536
530720
6737280
720643840
8660602880
923781703680
10951268147200
1141855798476800
122009078326886400
13104472072998092800
145850436087893196800
15351026165273591808000
1622465674577509875712000

[0,1,8,96,1536,30720,737280,20643840,660602880,
 23781703680,951268147200,41855798476800,
 2009078326886400,104472072998092800,
 5850436087893196800,351026165273591808000,
 22465674577509875712000]