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A347887 as a simple table

na(n)
1201
2231
3237
4259
5273
6315
7333
8399
9429
10455
11483
12525
13555
14585
15627
16651
17665
18741
19763
20855
21903
22975
231057
241071
251085
261113
271209
281235
291351
301395
311407
321505
331533
341635
351659
361677
371767
381785
391935
402037
412079
422163
432211
442265
452317
462331
472345
482451
492457
502479
512541
522555
532583
542607
552611
562613

[201,231,237,259,273,315,333,399,429,455,483,525,
 555,585,627,651,665,741,763,855,903,975,1057,1071,
 1085,1113,1209,1235,1351,1395,1407,1505,1533,1635,
 1659,1677,1767,1785,1935,2037,2079,2163,2211,2265,
 2317,2331,2345,2451,2457,2479,2541,2555,2583,2607,
 2611,2613]