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A174151 as a simple table

na(n)
01
11
21
31
412
51
61
760
860
91
101
11180
12900
13180
141
151
16420
176300
186300
19420
201
211
22840
2329400
2488200
2529400
26840
271
281
291512
30105840
31740880
32740880
33105840
341512
351
361
372520
38317520
394445280
4010372320
414445280
42317520
432520
441
451
463960
47831600
4820956320
4997796160
5097796160
5120956320
52831600
533960
541

[1,1,1,1,12,1,1,60,60,1,1,180,900,180,1,1,420,
 6300,6300,420,1,1,840,29400,88200,29400,840,1,1,
 1512,105840,740880,740880,105840,1512,1,1,2520,
 317520,4445280,10372320,4445280,317520,2520,1,1,
 3960,831600,20956320,97796160,97796160,20956320,
 831600,3960,1]