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A110998 as a simple table

na(n)
12
24
316
438
540
644
770
882
986
1088
11116
12128
13130
14142
15152
16158
17170
18178
19194
20224
21226
22238
23262
24268
25298
26304
27310
28320
29346
30352
31362
32364
33368
34392
35406
36418
37434
38446
39452
40458
41460
42472
43478
44490
45494

[2,4,16,38,40,44,70,82,86,88,116,128,130,142,152,
 158,170,178,194,224,226,238,262,268,298,304,310,
 320,346,352,362,364,368,392,406,418,434,446,452,
 458,460,472,478,490,494]