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A277718 as a simple table

na(n)
15
211
317
429
537
653
7127
8149
9211
10223
11307
12331
13541
141361
151693
161973
172203
182503
192999
203299
214327
224861
235623
245779
255981
266521
276947
287283
298501
309587
3110007
3210831
3311777
3415727
3519661
3631469
3734123
3835671
3935729
4043391
4144351
4245943
4348731
4458889

[5,11,17,29,37,53,127,149,211,223,307,331,541,
 1361,1693,1973,2203,2503,2999,3299,4327,4861,5623,
 5779,5981,6521,6947,7283,8501,9587,10007,10831,
 11777,15727,19661,31469,34123,35671,35729,43391,
 44351,45943,48731,58889]