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A107147 as a simple table

na(n)
13
217
341
459
583
689
7131
8227
9251
10257
11353
12419
13467
14521
15563
16587
17593
18761
19857
20881
21929
22971
231049
241091
251097
261193
271217
281259
291307
301361
311427
321433
331553
341571
351601
361697
371721
381811
391889
401907
411931
421979
432099
442243
452267
462273

[3,17,41,59,83,89,131,227,251,257,353,419,467,521,
 563,587,593,761,857,881,929,971,1049,1091,1097,
 1193,1217,1259,1307,1361,1427,1433,1553,1571,1601,
 1697,1721,1811,1889,1907,1931,1979,2099,2243,2267,
 2273]