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A030457 as a simple table

na(n)
12
26
38
412
536
642
750
856
962
1068
1178
1280
1390
1492
1596
16102
17108
18120
19126
20138
21150
22156
23180
24186
25188
26192
27200
28216
29242
30246
31252
32270
33276
34278
35300
36308
37312
38318
39330
40338
41342
42350
43362
44368
45378
46390
47402
48410
49416
50420
51426
52428
53432

[2,6,8,12,36,42,50,56,62,68,78,80,90,92,96,102,
 108,120,126,138,150,156,180,186,188,192,200,216,
 242,246,252,270,276,278,300,308,312,318,330,338,
 342,350,362,368,378,390,402,410,416,420,426,428,
 432]