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A145300 as a simple table

na(n)
12
27
313
413
519
623
729
831
937
1043
1147
1253
1361
1461
1567
1673
1779
1883
1989
2089
2197
22103
23109
24113
25113
26131
27131
28137
29139
30139
31157
32163
33167
34173
35181
36181
37193
38199
39199
40211
41211
42211
43229
44233
45233
46239
47251
48263
49271
50271
51277
52283
53283
54293
55293
56307
57317
58317
59317
60317

[2,7,13,13,19,23,29,31,37,43,47,53,61,61,67,73,79,
 83,89,89,97,103,109,113,113,131,131,137,139,139,
 157,163,167,173,181,181,193,199,199,211,211,211,
 229,233,233,239,251,263,271,271,277,283,283,293,
 293,307,317,317,317,317]