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A048393 as a simple table

na(n)
111
213
323
431
541
643
753
861
973
10101
11107
12109
13121
14137
15143
16149
17151
18157
19161
20169
21173
22181
23191
24211
25217
26221
27229
28233
29241
30253
31257
32259
33271
34277
35281
36299
37307
38311
39313
40319
41323
42331
43421
44427
45431
46449
47469
48493
49511
50527
51541
52577
53589

[11,13,23,31,41,43,53,61,73,101,107,109,121,137,
 143,149,151,157,161,169,173,181,191,211,217,221,
 229,233,241,253,257,259,271,277,281,299,307,311,
 313,319,323,331,421,427,431,449,469,493,511,527,
 541,577,589]