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A221717 as a simple table

na(n)
12
23
35
411
513
617
723
829
931
1041
1143
1247
1353
1459
1567
1671
1773
1879
1983
2089
2197
22101
23103
24107
25109
26113
27131
28137
29139
30149
31151
32157
33163
34167
35173
36179
37181
38191
39193
40197
41199
42211
43223
44227
45229
46233
47239
48241
49251
50257
51263
52269
53277
54281
55283
56293

[2,3,5,11,13,17,23,29,31,41,43,47,53,59,67,71,73,
 79,83,89,97,101,103,107,109,113,131,137,139,149,
 151,157,163,167,173,179,181,191,193,197,199,211,
 223,227,229,233,239,241,251,257,263,269,277,281,
 283,293]