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A016108 as a simple table

na(n)
11
231
343
4109
5127
6157
7223
8229
9277
10283
11307
12397
13433
14439
15457
16499
17601
18643
19691
20727
21733
22739
23811
24919
25997
261021
271051
281069
291093
301327
311399
321423
331459
341471
351579
361597
371627
381657
391699
401723
411729
421753
431777
441789
451801
461831
471933
481999
492017
502047
512089
522113
532143
542179
552203

[1,31,43,109,127,157,223,229,277,283,307,397,433,
 439,457,499,601,643,691,727,733,739,811,919,997,
 1021,1051,1069,1093,1327,1399,1423,1459,1471,1579,
 1597,1627,1657,1699,1723,1729,1753,1777,1789,1801,
 1831,1933,1999,2017,2047,2089,2113,2143,2179,2203]