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A208147 as a simple table

na(n)
11
22
36
412
548
696
7288
8576
92880
105760
1117280
1234560
13138240
14276480
15829440
161658880
179953280
1819906560
1959719680
20119439360
21477757440
22955514880
232866544640
245733089280
2528665446400
2657330892800
27171992678400
28343985356800
291375941427200
302751882854400

[1,2,6,12,48,96,288,576,2880,5760,17280,34560,
 138240,276480,829440,1658880,9953280,19906560,
 59719680,119439360,477757440,955514880,2866544640,
 5733089280,28665446400,57330892800,171992678400,
 343985356800,1375941427200,2751882854400]