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A311658 as a simple table

na(n)
01
14
28
312
420
526
626
732
838
944
1044
1148
1256
1364
1464
1570
1674
1780
1880
1988
2094
21100
2298
23108
24114
25118
26114
27124
28132
29140
30134
31144
32150
33156
34152
35162
36168
37176
38170
39184
40188
41192
42186
43200
44208
45214
46204
47220
48226
49232

[1,4,8,12,20,26,26,32,38,44,44,48,56,64,64,70,74,
 80,80,88,94,100,98,108,114,118,114,124,132,140,
 134,144,150,156,152,162,168,176,170,184,188,192,
 186,200,208,214,204,220,226,232]