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A341215 as a simple table

na(n)
15
27
311
419
529
631
737
843
953
10113
11127
12163
13173
14199
15257
16271
17317
18353
19397
20439
21457
22461
23557
24599
25659
26757
27809
28991
29997
301019
311069
321129
331289
341327
351439
361447
371549
381621
391733
401747
411759
421831
431913
442027
452113
462141
472153
482309
492339
502357
512383
522423
532473
542663
552741
562801

[5,7,11,19,29,31,37,43,53,113,127,163,173,199,257,
 271,317,353,397,439,457,461,557,599,659,757,809,
 991,997,1019,1069,1129,1289,1327,1439,1447,1549,
 1621,1733,1747,1759,1831,1913,2027,2113,2141,2153,
 2309,2339,2357,2383,2423,2473,2663,2741,2801]