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A084704 as a simple table

na(n)
27
317
419
523
661
729
843
959
1053
1143
1297
1353
1479
1559
1689
1783
1873
1979
20107
21181
22127
23131
24113
25109
26113
27151
28167
29193
30149
31151
32167
33197
34163
35197
36163
37229
38199
39179
40281
41347
42241
43263
44229
45257
46223
47271
48331
49239
50313
51269
52263
53313
54263
55269
56359
57293

[7,17,19,23,61,29,43,59,53,43,97,53,79,59,89,83,
 73,79,107,181,127,131,113,109,113,151,167,193,149,
 151,167,197,163,197,163,229,199,179,281,347,241,
 263,229,257,223,271,331,239,313,269,263,313,263,
 269,359,293]