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A287088 as a simple table

na(n)
12
28
310
412
516
620
726
832
938
1040
1142
1248
1350
1452
1558
1660
1762
1866
1970
2076
2178
2280
2384
2488
2594
2696
2798
28102
29106
30112
31118
32124
33126
34128
35132
36136
37142
38148
39154
40156
41158
42162
43166
44172
45178
46184
47186
48188
49194
50196
51198
52204
53206
54208
55212
56216
57222

[2,8,10,12,16,20,26,32,38,40,42,48,50,52,58,60,62,
 66,70,76,78,80,84,88,94,96,98,102,106,112,118,124,
 126,128,132,136,142,148,154,156,158,162,166,172,
 178,184,186,188,194,196,198,204,206,208,212,216,
 222]