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A156883 as a simple table

na(n)
01
11
21
31
41
52
61
71
89
96
101
111
1255
13657
1424
151
161
17193
18163405
19384345
20120
211
221
23501
247152001
2526215881175
261799118945
27720
281
291
301081
31125501001
3250886093754945
33227121050616681925
3467375205371305
355040
361
371
382059
391262046961
4015719063251251501
4169513937650491307135745
42106253703835242139200091375
4320185139902805378865
4440320

[1,1,1,1,1,2,1,1,9,6,1,1,55,657,24,1,1,193,163405,
 384345,120,1,1,501,7152001,26215881175,1799118945,
 720,1,1,1081,125501001,50886093754945,
 227121050616681925,67375205371305,5040,1,1,2059,
 1262046961,15719063251251501,
 69513937650491307135745,
 106253703835242139200091375,20185139902805378865,
 40320]