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A003309 as a simple table

na(n)
11
22
33
45
57
611
713
817
923
1025
1129
1237
1341
1443
1547
1653
1761
1867
1971
2077
2183
2289
2391
2497
25107
26115
27119
28121
29127
30131
31143
32149
33157
34161
35173
36175
37179
38181
39193
40209
41211
42221
43223
44227
45233
46235
47239
48247
49257
50265
51277
52283
53287
54301
55307
56313

[1,2,3,5,7,11,13,17,23,25,29,37,41,43,47,53,61,67,
 71,77,83,89,91,97,107,115,119,121,127,131,143,149,
 157,161,173,175,179,181,193,209,211,221,223,227,
 233,235,239,247,257,265,277,283,287,301,307,313]