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A064230 as a simple table

na(n)
01
11
21
31
49
56
61
749
8288
9174
101
11225
126750
1336000
1422560
151
16961
17118800
183159750
1917760600
2012514320
211
223969
231807806
24190071000
255295204600
2634395777360
2728836612000
281
2916129
3025316928
319271660734
321001080231200
3332307576315840

[1,1,1,1,9,6,1,49,288,174,1,225,6750,36000,22560,
 1,961,118800,3159750,17760600,12514320,1,3969,
 1807806,190071000,5295204600,34395777360,
 28836612000,1,16129,25316928,9271660734,
 1001080231200,32307576315840]