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A223514 as a simple table

na(n)
11
212
31
4276
536
61
79384
81536
972
101
11422280
1280040
134920
14120
151
1623647680
174984560
18365400
1912000
20180
211
221584394560
23362597760
2430197160
251205400
2624780
27252
281
29123582775680
3030229617600
312778370560
32127834560
333237360
3445696
35336
361
371099867035520

[1,12,1,276,36,1,9384,1536,72,1,422280,80040,4920,
 120,1,23647680,4984560,365400,12000,180,1,
 1584394560,362597760,30197160,1205400,24780,252,1,
 123582775680,30229617600,2778370560,127834560,
 3237360,45696,336,1,1099867035520]