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A127331 as a simple table

na(n)
12
25
311
429
531
661
771
8101
9109
10199
11229
12241
13269
14331
15379
16431
17491
18631
19691
20821
21919
22941
23991
241049
251061
261259
271289
281321
291409
301439
311451
321459
331571
341621
351831
361861
371931
382039
392089
402161
412251
422281
432311
442389
452399
462441
472539
482551

[2,5,11,29,31,61,71,101,109,199,229,241,269,331,
 379,431,491,631,691,821,919,941,991,1049,1061,
 1259,1289,1321,1409,1439,1451,1459,1571,1621,1831,
 1861,1931,2039,2089,2161,2251,2281,2311,2389,2399,
 2441,2539,2551]