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A336300 as a simple table

na(n)
15
223
329
431
547
653
773
883
9113
10131
11139
12151
13173
14199
15211
16251
17293
18317
19359
20373
21467
22491
23509
24523
25541
26557
27593
28607
29647
30659
31683
32709
33719
34761
35773
36797
37809
38811
39863
40911
41991
42997
431063
441069
451103
461117
471163
481171
491187
501201
511231
521259
531307
541327
551409
561439
571459
581499

[5,23,29,31,47,53,73,83,113,131,139,151,173,199,
 211,251,293,317,359,373,467,491,509,523,541,557,
 593,607,647,659,683,709,719,761,773,797,809,811,
 863,911,991,997,1063,1069,1103,1117,1163,1171,
 1187,1201,1231,1259,1307,1327,1409,1439,1459,1499]