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A256484 as a simple table

na(n)
12
23
35
47
511
613
717
819
923
1029
1131
1237
1343
1447
1553
1659
1761
1867
1971
2073
2179
2283
2389
24103
25107
26109
27113
28127
29131
30137
31139
32149
33151
34157
35173
36199
37211
38233
39239
40241
41251
42263
43269
44281
45293
46311
47317
48331
49337
50349
51353
52359
53379
54383
55397
56401
57409
58421
59431
60433
61439
62449
63461
64463
65467
66487
67491
68499
69509

[2,3,5,7,11,13,17,19,23,29,31,37,43,47,53,59,61,
 67,71,73,79,83,89,103,107,109,113,127,131,137,139,
 149,151,157,173,199,211,233,239,241,251,263,269,
 281,293,311,317,331,337,349,353,359,379,383,397,
 401,409,421,431,433,439,449,461,463,467,487,491,
 499,509]