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A286264 as a simple table

na(n)
13
25
311
417
527
637
751
865
983
10101
11123
12145
13171
14197
15227
16257
17291
18325
19363
20401
21443
22485
23531
24577
25627
26677
27731
28785
29843
30901
31963
321025
331091
341157
351227
361297
371371
381445
391523
401601
411683
421765
431851
441937
452027
462117
472211
482305
492403
502501

[3,5,11,17,27,37,51,65,83,101,123,145,171,197,227,
 257,291,325,363,401,443,485,531,577,627,677,731,
 785,843,901,963,1025,1091,1157,1227,1297,1371,
 1445,1523,1601,1683,1765,1851,1937,2027,2117,2211,
 2305,2403,2501]