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A217891 as a simple table

na(n)
11
21
32
41
53
66
71
83
910
1024
111
123
1311
1440
15120
161
173
1811
1944
20182
21720
221
233
2411
2545
26192
27938
285040
291
303
3111
3245
33196
34892
355424
3640320
371
383
3911
4045
41197
42898
434400
4434788
45362880
461
473
4811
4945
50197
51902
524272
5323086
54244544
553628800
561
573
5811
5945
60197
61903
624274
6321002
64129250
651865144
6639916800

[1,1,2,1,3,6,1,3,10,24,1,3,11,40,120,1,3,11,44,
 182,720,1,3,11,45,192,938,5040,1,3,11,45,196,892,
 5424,40320,1,3,11,45,197,898,4400,34788,362880,1,
 3,11,45,197,902,4272,23086,244544,3628800,1,3,11,
 45,197,903,4274,21002,129250,1865144,39916800]