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A141951 as a simple table

na(n)
15
259
3113
4167
5383
6491
7599
8653
9761
10977
111031
121193
131301
141409
151571
161733
171787
181949
192003
202111
212273
222381
232543
243083
253137
263191
273299
283407
293461
303623
313677
323947
334001
344217
354271
364649
374703
384919
394973
405081
415189
425297
435351
445783
456053

[5,59,113,167,383,491,599,653,761,977,1031,1193,
 1301,1409,1571,1733,1787,1949,2003,2111,2273,2381,
 2543,3083,3137,3191,3299,3407,3461,3623,3677,3947,
 4001,4217,4271,4649,4703,4919,4973,5081,5189,5297,
 5351,5783,6053]