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A042997 as a simple table

na(n)
12
23
35
411
513
617
719
823
931
1037
1141
1247
1353
1459
1561
1667
1773
1879
1983
2089
2197
22101
23103
24107
25109
26131
27137
28139
29149
30151
31157
32163
33167
34173
35179
36181
37191
38193
39199
40223
41227
42229
43233
44241
45251
46257
47263
48269
49271
50277
51283
52293
53307
54311
55313
56317

[2,3,5,11,13,17,19,23,31,37,41,47,53,59,61,67,73,
 79,83,89,97,101,103,107,109,131,137,139,149,151,
 157,163,167,173,179,181,191,193,199,223,227,229,
 233,241,251,257,263,269,271,277,283,293,307,311,
 313,317]