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A085918 as a simple table

na(n)
13
25
311
417
531
641
771
879
9101
10127
11139
12149
13179
14199
15211
16229
17241
18269
19277
20307
21359
22383
23431
24449
25541
26773
27829
28881
291259
301307
311327
321493
331831
341933
352141
362551
373373
383947
394127
404831
414957
425021
435153
445323
455431
465569
475813
486091
496329

[3,5,11,17,31,41,71,79,101,127,139,149,179,199,
 211,229,241,269,277,307,359,383,431,449,541,773,
 829,881,1259,1307,1327,1493,1831,1933,2141,2551,
 3373,3947,4127,4831,4957,5021,5153,5323,5431,5569,
 5813,6091,6329]