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A040172 as a simple table

na(n)
111
231
341
461
571
6101
7131
8151
9191
10211
11241
12251
13271
14281
15331
16401
17421
18431
19461
20491
21521
22541
23571
24601
25631
26641
27691
28701
29751
30761
31821
32881
33941
34991
351021
361051
371061
381091
391181
401231
411291

[11,31,41,61,71,101,131,151,191,211,241,251,271,
 281,331,401,421,431,461,491,521,541,571,601,631,
 641,691,701,751,761,821,881,941,991,1021,1051,
 1061,1091,1181,1231,1291]