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A074925 as a simple table

na(n)
12
26
328
442
572
6162
7174
8220
9222
10234
11246
12252
13296
14344
15380
16390
17486
18510
19584
20594
21638
22646
23674
24702
25720
26816
27828
28882
29942
30948
31990
321044
331056
341146
351200
361314
371422
381436
391554
401566
411596
421602
431632
441740
451770
461778
471806
481818
491824

[2,6,28,42,72,162,174,220,222,234,246,252,296,344,
 380,390,486,510,584,594,638,646,674,702,720,816,
 828,882,942,948,990,1044,1056,1146,1200,1314,1422,
 1436,1554,1566,1596,1602,1632,1740,1770,1778,1806,
 1818,1824]