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A106953 as a simple table

na(n)
15
211
347
473
5139
6191
7229
8263
9277
10283
11347
12349
13457
14461
15541
16613
17631
18719
19727
20757
21821
22881
23883
241013
251049
261061
271087
281103
291201
301223
311303
321451
331483
341487
351493
361531
371567
381583
391601
401621
411697
421733
431759
441811
451847

[5,11,47,73,139,191,229,263,277,283,347,349,457,
 461,541,613,631,719,727,757,821,881,883,1013,1049,
 1061,1087,1103,1201,1223,1303,1451,1483,1487,1493,
 1531,1567,1583,1601,1621,1697,1733,1759,1811,1847]