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A143493 as a simple table

na(n)
41
54
61
720
89
91
10120
1174
1215
131
14840
15638
16179
1722
181
196720
205944
212070
22355
2330
241
2560480
2660216
2724574
285265
29625
3039
311
32604800
33662640
34305956
3577224
3611515
371015
3849
391
406652800
417893840
424028156
431155420
44203889
4522680
461554
4760
481
4979833600

[1,4,1,20,9,1,120,74,15,1,840,638,179,22,1,6720,
 5944,2070,355,30,1,60480,60216,24574,5265,625,39,
 1,604800,662640,305956,77224,11515,1015,49,1,
 6652800,7893840,4028156,1155420,203889,22680,1554,
 60,1,79833600]