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A060320 as a simple table

na(n)
01
13
28
315
420
530
640
770
860
980
1090
11140
12176
13120
14168
15180
16324
17252
18240
19378
20450
21432
22552
23360
24420
25690
26504
27880
28630
29600
30756
31720
32900
33792
34840
351296
361050
371350
381140
391080
401200

[1,3,8,15,20,30,40,70,60,80,90,140,176,120,168,
 180,324,252,240,378,450,432,552,360,420,690,504,
 880,630,600,756,720,900,792,840,1296,1050,1350,
 1140,1080,1200]