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A075181 as a simple table

na(n)
11
22
31
46
56
62
724
836
922
106
11120
12240
13210
14100
1524
16720
171800
182040
191350
20548
21120
225040
2315120
2421000
2517640
269744
273528
28720
2940320
30141120
31231840
32235200
33162456
3478792
3526136
365040
37362880
381451520
392751840
403265920
412693880
421614816

[1,2,1,6,6,2,24,36,22,6,120,240,210,100,24,720,
 1800,2040,1350,548,120,5040,15120,21000,17640,
 9744,3528,720,40320,141120,231840,235200,162456,
 78792,26136,5040,362880,1451520,2751840,3265920,
 2693880,1614816]