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A197930 as a simple table

na(n)
11
22
36
410
514
622
726
830
934
1038
1142
1246
1358
1462
1574
1678
1782
1886
1994
20102
21106
22110
23114
24118
25122
26134
27138
28142
29146
30158
31166
32170
33174
34178
35182
36194
37202
38206
39210
40214
41218
42222
43226
44230
45254
46258
47262
48266
49274
50278
51282
52290
53298
54302
55314
56318

[1,2,6,10,14,22,26,30,34,38,42,46,58,62,74,78,82,
 86,94,102,106,110,114,118,122,134,138,142,146,158,
 166,170,174,178,182,194,202,206,210,214,218,222,
 226,230,254,258,262,266,274,278,282,290,298,302,
 314,318]