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A378541 as a simple table

na(n)
16
212
320
424
528
630
740
842
948
1054
1156
1260
1366
1478
1580
1684
1788
1890
1996
20104
21108
22112
23120
24126
25132
26140
27150
28156
29160
30168
31176
32180
33192
34198
35204
36208
37210
38216
39220
40224
41228
42234
43240
44252
45260
46264
47270
48272
49276
50280
51294
52300
53304
54306
55308
56312
57320
58330
59336
60340
61342
62348
63352
64360
65364
66368
67378
68380

[6,12,20,24,28,30,40,42,48,54,56,60,66,78,80,84,
 88,90,96,104,108,112,120,126,132,140,150,156,160,
 168,176,180,192,198,204,208,210,216,220,224,228,
 234,240,252,260,264,270,272,276,280,294,300,304,
 306,308,312,320,330,336,340,342,348,352,360,364,
 368,378,380]