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A085400 as a simple table

na(n)
12
23
313
45
57
617
719
811
923
1029
1131
1241
1337
1443
1547
1653
1759
1861
1967
2071
2183
2273
2379
2489
2597
26101
27103
28107
29109
30113
31127
32131
33137
34139
35149
36157
37151
38163
39167
40173
41179
42181
43191
44193
45197
46199
47211
48223
49227
50229
51233
52239
53241
54251
55257
56263
57269
58271
59277

[2,3,13,5,7,17,19,11,23,29,31,41,37,43,47,53,59,
 61,67,71,83,73,79,89,97,101,103,107,109,113,127,
 131,137,139,149,157,151,163,167,173,179,181,191,
 193,197,199,211,223,227,229,233,239,241,251,257,
 263,269,271,277]