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A277258 as a simple table

na(n)
12
24
36
48
522
644
766
888
9110
10132
11198
12202
13212
14220
15222
16231
17232
18242
19252
20262
21264
22272
23282
24292
25297
26330
27396
28404
29414
30424
31434
32440
33444
34454
35462
36464
37474
38484
39494
40495
41550
42594
43606
44616
45626
46636
47646
48656
49660
50666
51676
52686
53693
54696
55770

[2,4,6,8,22,44,66,88,110,132,198,202,212,220,222,
 231,232,242,252,262,264,272,282,292,297,330,396,
 404,414,424,434,440,444,454,462,464,474,484,494,
 495,550,594,606,616,626,636,646,656,660,666,676,
 686,693,696,770]