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A260714 as a simple table

na(n)
17
211
313
417
523
625
729
831
937
1041
1143
1247
1353
1455
1559
1661
1767
1871
1973
2077
2183
2285
2389
2491
2597
26101
27103
28107
29113
30115
31119
32121
33127
34131
35133
36137
37143
38145
39149
40151
41157
42161
43163
44167
45173
46175
47179
48181
49187
50191
51193
52197
53203
54205
55209
56211
57217
58221
59223
60227
61233
62235
63239
64241
65247
66251
67253
68257

[7,11,13,17,23,25,29,31,37,41,43,47,53,55,59,61,
 67,71,73,77,83,85,89,91,97,101,103,107,113,115,
 119,121,127,131,133,137,143,145,149,151,157,161,
 163,167,173,175,179,181,187,191,193,197,203,205,
 209,211,217,221,223,227,233,235,239,241,247,251,
 253,257]