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A221858 as a simple table

na(n)
12
23
37
45
511
613
719
829
931
1041
1137
1243
1347
1461
1559
1667
1771
1823
1917
2073
2179
2289
23109
24103
2553
26107
27113
28139
29151
30127
31137
3283
33167
34173
35181
36191
37101
38193
39223
40233
41211
42199
43229
44251
45239
46281
47277
48241
49131
50269
51263
52283
53313
54311
55349
56163
57317
58337
59331
60307

[2,3,7,5,11,13,19,29,31,41,37,43,47,61,59,67,71,
 23,17,73,79,89,109,103,53,107,113,139,151,127,137,
 83,167,173,181,191,101,193,223,233,211,199,229,
 251,239,281,277,241,131,269,263,283,313,311,349,
 163,317,337,331,307]