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A107405 as a simple table

na(n)
10
26
318
420
544
650
756
878
998
10104
11110
12120
13126
14134
15138
16144
17170
18174
19180
20188
21204
22218
23240
24246
25254
26258
27260
28266
29270
30284
31296
32306
33308
34324
35348
36354
37386
38396
39408
40410
41414
42420
43450
44456
45464
46476
47488
48510
49518
50524
51534
52540
53546
54554

[0,6,18,20,44,50,56,78,98,104,110,120,126,134,138,
 144,170,174,180,188,204,218,240,246,254,258,260,
 266,270,284,296,306,308,324,348,354,386,396,408,
 410,414,420,450,456,464,476,488,510,518,524,534,
 540,546,554]