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A054270 as a simple table

na(n)
13
27
323
447
5113
6167
7283
8359
9523
10839
11953
121367
131669
141847
152207
162803
173469
183719
194483
205039
215323
226229
236883
247919
259403
2610193
2710607
2811447
2911867
3012763
3116127
3217159
3318757
3419319
3522193
3622787
3724631
3826561
3927883
4029927
4132029

[3,7,23,47,113,167,283,359,523,839,953,1367,1669,
 1847,2207,2803,3469,3719,4483,5039,5323,6229,6883,
 7919,9403,10193,10607,11447,11867,12763,16127,
 17159,18757,19319,22193,22787,24631,26561,27883,
 29927,32029]