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A177873 as a simple table

na(n)
129
237
347
473
579
683
797
8113
9149
10163
11167
12263
13277
14283
15311
16317
17349
18359
19389
20421
21433
22449
23461
24509
25521
26607
27617
28641
29761
30941
31953
32983
331009
341021
351031
361033
371069
381097
391109
401153
411181
421193
431201
441213
451231
461237
471283
481301
491321

[29,37,47,73,79,83,97,113,149,163,167,263,277,283,
 311,317,349,359,389,421,433,449,461,509,521,607,
 617,641,761,941,953,983,1009,1021,1031,1033,1069,
 1097,1109,1153,1181,1193,1201,1213,1231,1237,1283,
 1301,1321]