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A339821 as a simple table

na(n)
01
12
24
38
46
512
624
748
810
920
1040
1180
1260
13120
14240
15480
1612
1724
1848
1996
2072
21144
22288
23576
24120
25240
26480
27960
28720
291440
302880
315760
3216
3332
3464
35128
3696
37192
38384
39768
40160
41320
42640
431280
44960
451920
463840
477680
48192
49384
50768
511536
521152
532304
544608
559216
561920
573840
587680
5915360
6011520
6123040
6246080
6392160

[1,2,4,8,6,12,24,48,10,20,40,80,60,120,240,480,12,
 24,48,96,72,144,288,576,120,240,480,960,720,1440,
 2880,5760,16,32,64,128,96,192,384,768,160,320,640,
 1280,960,1920,3840,7680,192,384,768,1536,1152,
 2304,4608,9216,1920,3840,7680,15360,11520,23040,
 46080,92160]