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A221075 as a simple table

na(n)
02
112
21
324
41
5192
61
7360
81
92700
101
115040
121
1337632
141
1570224
161
17524172
181
19978120
201
217300800
221
2313623480
241
25101687052
261
27189750624
281
291416317952
301
312642885280
321
3319726764300
341
3536810643320
361

[2,12,1,24,1,192,1,360,1,2700,1,5040,1,37632,1,
 70224,1,524172,1,978120,1,7300800,1,13623480,1,
 101687052,1,189750624,1,1416317952,1,2642885280,1,
 19726764300,1,36810643320,1]