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A270297 as a simple table

na(n)
128
256
3112
4196
5224
6308
7364
8392
9448
10476
11532
12616
13644
14728
15784
16812
17868
18896
19952
201036
211064
221148
231204
241232
251288
261316
271372
281456
291484
301568
311624
321652
331708
341736
351792
361876
371904
381988
392044
402072
412128
422156
432212
442296
452324
462408
472464

[28,56,112,196,224,308,364,392,448,476,532,616,
 644,728,784,812,868,896,952,1036,1064,1148,1204,
 1232,1288,1316,1372,1456,1484,1568,1624,1652,1708,
 1736,1792,1876,1904,1988,2044,2072,2128,2156,2212,
 2296,2324,2408,2464]