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A253142 as a simple table

na(n)
12
24
38
414
516
622
726
832
938
1044
1146
1252
1364
1468
1586
1688
1798
18124
19134
20158
21178
22184
23196
24212
25236
26242
27248
28256
29262
30296
31298
32316
33322
34338
35364
36374
37386
38394
39452
40472
41484
42488
43548
44578
45586
46598
47602
48626
49632
50638
51646
52658
53662
54676
55694
56718
57728
58736
59794
60806
61842
62848
63862

[2,4,8,14,16,22,26,32,38,44,46,52,64,68,86,88,98,
 124,134,158,178,184,196,212,236,242,248,256,262,
 296,298,316,322,338,364,374,386,394,452,472,484,
 488,548,578,586,598,602,626,632,638,646,658,662,
 676,694,718,728,736,794,806,842,848,862]