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A086921 as a simple table

na(n)
11
24
312
424
536
660
7120
8120
9180
10240
11360
12360
13720
14720
15720
16840
171260
181260
191680
201680
212520
222520
232520
242520
255040
265040
275040
285040
295040
305040
317560
327560
3310080
3410080
3510080
3610080
3715120
3815120
3915120
4015120
4120160
4220160
4325200
4425200

[1,4,12,24,36,60,120,120,180,240,360,360,720,720,
 720,840,1260,1260,1680,1680,2520,2520,2520,2520,
 5040,5040,5040,5040,5040,5040,7560,7560,10080,
 10080,10080,10080,15120,15120,15120,15120,20160,
 20160,25200,25200]