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A108214 as a simple table

na(n)
28
348
4576
511520
6345600
714515200
8812851200
958525286400
105267275776000
11579400335360000
1276480844267520000
1311931011705733120000
142171444130443427840000
15456003267393119846400000

[8,48,576,11520,345600,14515200,812851200,
 58525286400,5267275776000,579400335360000,
 76480844267520000,11931011705733120000,
 2171444130443427840000,456003267393119846400000]