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A014686 as a simple table

na(n)
13
22
36
46
512
612
718
818
924
1028
1132
1236
1342
1442
1548
1652
1760
1860
1968
2070
2174
2278
2384
2488
2598
26100
27104
28106
29110
30112
31128
32130
33138
34138
35150
36150
37158
38162
39168
40172
41180
42180
43192
44192
45198
46198
47212
48222
49228
50228
51234
52238
53242
54250
55258
56262
57270
58270

[3,2,6,6,12,12,18,18,24,28,32,36,42,42,48,52,60,
 60,68,70,74,78,84,88,98,100,104,106,110,112,128,
 130,138,138,150,150,158,162,168,172,180,180,192,
 192,198,198,212,222,228,228,234,238,242,250,258,
 262,270,270]