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A177262 as a simple table

na(n)
11
21
31
44
51
61
718
84
91
101
1196
1218
134
141
151
16600
1796
1818
194
201
211
224320
23600
2496
2518
264
271
281
2935280
304320
31600
3296
3318
344
351
361
37322560
3835280
394320
40600
4196
4218
434
441
451
463265920
47322560
4835280
494320
50600
5196
5218
534
541
551
5636288000
573265920
58322560
5935280
604320
61600
6296
6318
644
651
661

[1,1,1,4,1,1,18,4,1,1,96,18,4,1,1,600,96,18,4,1,1,
 4320,600,96,18,4,1,1,35280,4320,600,96,18,4,1,1,
 322560,35280,4320,600,96,18,4,1,1,3265920,322560,
 35280,4320,600,96,18,4,1,1,36288000,3265920,
 322560,35280,4320,600,96,18,4,1,1]