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A005119 as a simple table

na(n)
11
21
33
416
5124
61256
715576
8226248
93729216
1068179968
111361836800
1229501349120
13693638208000
1417815908096000
15502048890201600
1615388268595840000
17500579319427891200
1816817771937344716800
19581609175119297740800

[1,1,3,16,124,1256,15576,226248,3729216,68179968,
 1361836800,29501349120,693638208000,
 17815908096000,502048890201600,15388268595840000,
 500579319427891200,16817771937344716800,
 581609175119297740800]