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A008305 as a simple table

na(n)
11
21
32
41
52
66
71
82
99
1024
111
122
1313
1444
15120
161
172
1820
1980
20265
21720
221
232
2431
25144
26579
271854
285040
291
302
3149
32264
331265
344738
3514833
3640320
371
382
3978
40484
412783
4212072
4343387
44133496
45362880
461
472
48125
49888
506208
5130818
52126565
53439792
541334961
553628800

[1,1,2,1,2,6,1,2,9,24,1,2,13,44,120,1,2,20,80,265,
 720,1,2,31,144,579,1854,5040,1,2,49,264,1265,4738,
 14833,40320,1,2,78,484,2783,12072,43387,133496,
 362880,1,2,125,888,6208,30818,126565,439792,
 1334961,3628800]