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A002860 as a simple table

na(n)
11
22
312
4576
5161280
6812851200
761479419904000
8108776032459082956800
95524751496156892842531225600
109982437658213039871725064756920320000
11776966836171770144107444346734230682311065600000

[1,2,12,576,161280,812851200,61479419904000,
 108776032459082956800,
 5524751496156892842531225600,
 9982437658213039871725064756920320000,
 776966836171770144107444346734230682311065600000]