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A311558 as a simple table

na(n)
01
14
28
312
418
520
624
730
834
936
1042
1148
1254
1358
1462
1562
1668
1772
1874
1980
2086
2190
2294
23102
24108
25106
26112
27116
28116
29122
30128
31134
32136
33144
34150
35148
36158
37162
38158
39166
40172
41176
42176
43188
44194
45188
46200
47206
48202
49212

[1,4,8,12,18,20,24,30,34,36,42,48,54,58,62,62,68,
 72,74,80,86,90,94,102,108,106,112,116,116,122,128,
 134,136,144,150,148,158,162,158,166,172,176,176,
 188,194,188,200,206,202,212]