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A275785 as a simple table

na(n)
13
25
311
423
529
631
737
889
9113
10127
11139
12149
13199
14251
15293
16331
17337
18367
19409
20521
21523
22631
23701
24787
25797
26953
271087
281129
291151
301259
311277
321327
331361
341381
351399
361657
371669
381847
391933
401949
411951
421973
432477
442503
452579
462633
472861
482879
492971
502999
513089
523137
533163
543229
553407

[3,5,11,23,29,31,37,89,113,127,139,149,199,251,
 293,331,337,367,409,521,523,631,701,787,797,953,
 1087,1129,1151,1259,1277,1327,1361,1381,1399,1657,
 1669,1847,1933,1949,1951,1973,2477,2503,2579,2633,
 2861,2879,2971,2999,3089,3137,3163,3229,3407]