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A222563 as a simple table

na(n)
15
259
383
4239
5281
6359
7443
8479
9521
10599
11761
12839
131163
141319
151361
161583
171619
181721
191787
201871
211877
222003
232063
242339
252927
262969
273251
283371
293407
303671
313767
323917
334001
344013
354229
364283
374397
384451
394463
404649
414679
425147
435261
446287
456329
466659
476689

[5,59,83,239,281,359,443,479,521,599,761,839,1163,
 1319,1361,1583,1619,1721,1787,1871,1877,2003,2063,
 2339,2927,2969,3251,3371,3407,3671,3767,3917,4001,
 4013,4229,4283,4397,4451,4463,4649,4679,5147,5261,
 6287,6329,6659,6689]