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A266233 as a simple table

na(n)
15
27
311
423
531
647
759
871
979
1083
11107
12127
13151
14167
15179
16191
17223
18227
19239
20263
21271
22347
23359
24383
25431
26439
27467
28479
29503
30563
31587
32599
33607
34631
35719
36727
37839
38863
39887
40911
41919
42967
43983
44991
451019
461031
471087
481103
491151
501187
511231
521279
531283

[5,7,11,23,31,47,59,71,79,83,107,127,151,167,179,
 191,223,227,239,263,271,347,359,383,431,439,467,
 479,503,563,587,599,607,631,719,727,839,863,887,
 911,919,967,983,991,1019,1031,1087,1103,1151,1187,
 1231,1279,1283]