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A082131 as a simple table

na(n)
193
2121
3143
4185
5203
6215
7217
8219
9289
10301
11303
12321
13393
14413
15415
16471
17517
18535
19581
20669
21687
22697
23791
24815
251057
261079
271135
281137
291139
301147
311167
321205
331255
341315
351345
361347
371349
381385
391387
401389
411391
421403
431563
441641
451687

[93,121,143,185,203,215,217,219,289,301,303,321,
 393,413,415,471,517,535,581,669,687,697,791,815,
 1057,1079,1135,1137,1139,1147,1167,1205,1255,1315,
 1345,1347,1349,1385,1387,1389,1391,1403,1563,1641,
 1687]