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A142928 as a simple table

na(n)
17
271
3199
4263
5647
6839
7967
81031
91223
101543
111607
122311
132503
142887
153079
163271
173463
183527
193719
203847
213911
224231
234423
244679
254871
264999
275639
286151
296343
306599
316791
326983
337559
347687
357879
368263
378647
388839
399479
4010247
4110567
4210631
4311399
4411527

[7,71,199,263,647,839,967,1031,1223,1543,1607,
 2311,2503,2887,3079,3271,3463,3527,3719,3847,3911,
 4231,4423,4679,4871,4999,5639,6151,6343,6599,6791,
 6983,7559,7687,7879,8263,8647,8839,9479,10247,
 10567,10631,11399,11527]