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A277139 as a simple table

na(n)
12
28
315
421
527
633
734
840
946
1052
1159
1265
1371
1477
1578
1684
1790
1896
19103
20109
21115
22121
23122
24128
25134
26140
27147
28153
29159
30165
31166
32172
33178
34184
35191
36197
37203
38209
39210
40216
41222
42228
43235
44241
45247
46253
47254
48260
49266
50272
51279
52285
53291
54297
55298
56304

[2,8,15,21,27,33,34,40,46,52,59,65,71,77,78,84,90,
 96,103,109,115,121,122,128,134,140,147,153,159,
 165,166,172,178,184,191,197,203,209,210,216,222,
 228,235,241,247,253,254,260,266,272,279,285,291,
 297,298,304]