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A272403 as a simple table

na(n)
113
217
331
471
5103
6107
7113
8131
9137
10167
11173
12179
13191
14197
15311
16431
17701
18971
191013
201019
211031
221061
231091
241097
251103
261109
271151
281163
291181
301193
311219
321223
331229
341277
351283
361301
371307
381339
391367
401373
411409
421433
431439
441487
451499
461511
471523

[13,17,31,71,103,107,113,131,137,167,173,179,191,
 197,311,431,701,971,1013,1019,1031,1061,1091,1097,
 1103,1109,1151,1163,1181,1193,1219,1223,1229,1277,
 1283,1301,1307,1339,1367,1373,1409,1433,1439,1487,
 1499,1511,1523]