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A335949 as a simple table

na(n)
01
11
212
34
4240
548
61344
7192
83840
91280
1033792
113072
125591040
13430080
14245760
1549152
1616711680
17983040
18522977280
1927525120
201211105280
21173015040
221447034880
2362914560
2422900899840
254580179968
261409286144
27469762048
28116769423360
294026531840
307689065201664

[1,1,12,4,240,48,1344,192,3840,1280,33792,3072,
 5591040,430080,245760,49152,16711680,983040,
 522977280,27525120,1211105280,173015040,
 1447034880,62914560,22900899840,4580179968,
 1409286144,469762048,116769423360,4026531840,
 7689065201664]