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A300097 as a simple table

na(n)
15
27
311
417
523
629
737
853
959
1067
1179
1289
1397
14127
15191
16211
17223
18307
19331
20479
21521
22541
23809
24877
25907
261087
271277
281361
291931
302179
312203
322999
333299
344201
354327
364861
375779
387993
398923
4012889
4114143
4215859
4316411
4416603
4518839
4619661
4724317
4825523
4928277

[5,7,11,17,23,29,37,53,59,67,79,89,97,127,191,211,
 223,307,331,479,521,541,809,877,907,1087,1277,
 1361,1931,2179,2203,2999,3299,4201,4327,4861,5779,
 7993,8923,12889,14143,15859,16411,16603,18839,
 19661,24317,25523,28277]