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A166981 as a simple table

na(n)
11
22
34
46
512
624
736
848
960
10120
11180
12240
13360
14720
15840
161260
171680
182520
195040
2010080
2115120
2225200
2327720
2455440
25110880
26166320
27277200
28332640
29554400
30665280
31720720
321441440
332162160
343603600
354324320
367207200
378648640
3810810800

[1,2,4,6,12,24,36,48,60,120,180,240,360,720,840,
 1260,1680,2520,5040,10080,15120,25200,27720,55440,
 110880,166320,277200,332640,554400,665280,720720,
 1441440,2162160,3603600,4324320,7207200,8648640,
 10810800]