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A145472 as a simple table

na(n)
13
27
319
431
567
679
7127
8139
9151
10199
11211
12271
13307
14379
15439
16547
17607
18619
19691
20727
21739
22751
23787
24811
25859
26907
27919
28967
29991
301039
311087
321231
331279
341447
351459
361471
371531
381567
391699
401747
411759
421831
431867
441987
452011
462131
472179
482239
492251

[3,7,19,31,67,79,127,139,151,199,211,271,307,379,
 439,547,607,619,691,727,739,751,787,811,859,907,
 919,967,991,1039,1087,1231,1279,1447,1459,1471,
 1531,1567,1699,1747,1759,1831,1867,1987,2011,2131,
 2179,2239,2251]