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A063721 as a simple table

na(n)
11
22
316
448
56480
6331776
726542080
8207360000
9174142586880
105476584960000
118352895346933760000
122556424320523960320000
13190741334440500264960000
1440745645800296001044480000
1511921333402531266560000000000000000
1658061203494913461453027322869401518080000

[1,2,16,48,6480,331776,26542080,207360000,
 174142586880,5476584960000,8352895346933760000,
 2556424320523960320000,190741334440500264960000,
 40745645800296001044480000,
 11921333402531266560000000000000000,
 58061203494913461453027322869401518080000]