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A055319 as a simple table

na(n)
88
94536
10695520
1161538400
124041576000
13221759778240
1410852244282880
15492871809830400
1621317707547136000
17893639962575360000
1836758908512752025600
191496966633049426739200
2060752381255663505408000

[8,4536,695520,61538400,4041576000,221759778240,
 10852244282880,492871809830400,21317707547136000,
 893639962575360000,36758908512752025600,
 1496966633049426739200,60752381255663505408000]