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A311390 as a simple table

na(n)
01
14
28
312
416
524
630
730
836
942
1048
1152
1256
1356
1460
1568
1676
1776
1882
1986
2092
2198
22104
23102
24108
25114
26120
27118
28128
29134
30138
31142
32148
33146
34156
35162
36168
37162
38172
39178
40184
41190
42194
43188
44200
45208
46216
47208
48220
49224

[1,4,8,12,16,24,30,30,36,42,48,52,56,56,60,68,76,
 76,82,86,92,98,104,102,108,114,120,118,128,134,
 138,142,148,146,156,162,168,162,172,178,184,190,
 194,188,200,208,216,208,220,224]