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A030665 as a simple table

na(n)
111
223
331
441
553
661
771
883
997
10101
11113
12127
13131
14149
15151
16163
17173
18181
19191
202003
21211
22223
23233
24241
25251
26263
27271
28281
29293
30307
31311
323203
33331
34347
35353
36367
37373
38383
39397
40401
41419
42421
43431
44443
45457
46461
47479
48487
49491
50503
515101

[11,23,31,41,53,61,71,83,97,101,113,127,131,149,
 151,163,173,181,191,2003,211,223,233,241,251,263,
 271,281,293,307,311,3203,331,347,353,367,373,383,
 397,401,419,421,431,443,457,461,479,487,491,503,
 5101]