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A208091 as a simple table

na(n)
01
111
23
34
46
58
638
724
832
918
1048
11138
1220
13588
14144
15252
165520
17168
187200
192400
202850

[1,11,3,4,6,8,38,24,32,18,48,138,20,588,144,252,
 5520,168,7200,2400,2850]