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A189556 as a simple table

na(n)
131
261
371
4101
5103
6131
7199
8211
9241
10269
11359
12401
13421
14433
15439
16571
17619
18641
19661
20719
21727
22739
23751
24761
25811
261019
271051
281063
291193
301277
311279
321303
331307
341321
351451
361471
371499
381613
391619
401667
411697
421721
431723
441783
451879
461949

[31,61,71,101,103,131,199,211,241,269,359,401,421,
 433,439,571,619,641,661,719,727,739,751,761,811,
 1019,1051,1063,1193,1277,1279,1303,1307,1321,1451,
 1471,1499,1613,1619,1667,1697,1721,1723,1783,1879,
 1949]