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A180946 as a simple table

na(n)
15
27
311
413
529
631
737
861
967
1073
1189
1297
13103
14107
15139
16157
17167
18179
19181
20193
21233
22283
23349
24367
25409
26433
27569
28587
29599
30607
31619
32691
33743
34761
35769
36809
37823
381021
391039
401051
411151
421201
431291
441319
451361
461373
471399
481481
491483
501499
511549
521567

[5,7,11,13,29,31,37,61,67,73,89,97,103,107,139,
 157,167,179,181,193,233,283,349,367,409,433,569,
 587,599,607,619,691,743,761,769,809,823,1021,1039,
 1051,1151,1201,1291,1319,1361,1373,1399,1481,1483,
 1499,1549,1567]