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A014574 as a simple table

na(n)
14
26
312
418
530
642
760
872
9102
10108
11138
12150
13180
14192
15198
16228
17240
18270
19282
20312
21348
22420
23432
24462
25522
26570
27600
28618
29642
30660
31810
32822
33828
34858
35882
361020
371032
381050
391062
401092
411152
421230
431278
441290
451302
461320
471428
481452
491482
501488
511608

[4,6,12,18,30,42,60,72,102,108,138,150,180,192,
 198,228,240,270,282,312,348,420,432,462,522,570,
 600,618,642,660,810,822,828,858,882,1020,1032,
 1050,1062,1092,1152,1230,1278,1290,1302,1320,1428,
 1452,1482,1488,1608]