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A248774 as a simple table

na(n)
11
21
31
41
51
61
71
82
92
102
112
122
132
142
152
164
174
1812
1912
2012
2112
2212
2312
2424
2524
2624
2724
2824
2924
30360
31360
32720
33720
34720
35720
36720
37720
381440
391440
401440
411440
421440
431440
441440
454320
468640
478640
488640
4960480
5060480
5160480
52120960
53120960
54120960
55120960

[1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,4,4,12,12,12,12,12,
 12,24,24,24,24,24,24,360,360,720,720,720,720,720,
 720,1440,1440,1440,1440,1440,1440,1440,4320,8640,
 8640,8640,60480,60480,60480,120960,120960,120960,
 120960]