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A051683 as a simple table

na(n)
11
22
34
46
512
618
724
848
972
1096
11120
12240
13360
14480
15600
16720
171440
182160
192880
203600
214320
225040
2310080
2415120
2520160
2625200
2730240
2835280
2940320
3080640
31120960
32161280
33201600
34241920
35282240
36322560
37362880
38725760
391088640
401451520
411814400
422177280
432540160
442903040
453265920

[1,2,4,6,12,18,24,48,72,96,120,240,360,480,600,
 720,1440,2160,2880,3600,4320,5040,10080,15120,
 20160,25200,30240,35280,40320,80640,120960,161280,
 201600,241920,282240,322560,362880,725760,1088640,
 1451520,1814400,2177280,2540160,2903040,3265920]