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A158709 as a simple table

na(n)
12
23
37
411
519
631
747
859
967
1071
11127
12131
13151
14167
15179
16211
17239
18307
19311
20347
21379
22431
23439
24467
25479
26547
27571
28587
29607
30619
31631
32647
33727
34739
35787
36811
37839
38859
39907
40911
41967
42991
431039
441091
451231
461259
471319
481399
491427
501471
511511
521531
531559

[2,3,7,11,19,31,47,59,67,71,127,131,151,167,179,
 211,239,307,311,347,379,431,439,467,479,547,571,
 587,607,619,631,647,727,739,787,811,839,859,907,
 911,967,991,1039,1091,1231,1259,1319,1399,1427,
 1471,1511,1531,1559]