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A067543 as a simple table

na(n)
16
28
316
424
540
646
754
856
964
1078
1180
12104
13118
14126
15128
16136
17144
18160
19176
20198
21208
22224
23240
24248
25280
26304
27328
28344
29358
30360
31376
32414
33416
34440
35464
36486
37488
38496
39520
40526
41544
42560
43568
44584
45616
46630
47640
48656
49680
50688
51726
52736
53784

[6,8,16,24,40,46,54,56,64,78,80,104,118,126,128,
 136,144,160,176,198,208,224,240,248,280,304,328,
 344,358,360,376,414,416,440,464,486,488,496,520,
 526,544,560,568,584,616,630,640,656,680,688,726,
 736,784]