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A117012 as a simple table

na(n)
13
217
347
4107
5173
6269
7503
8641
9809
10983
111187
121637
132441
142753
154157
164547
174967
185393
195849
206311
216803
227829
238363
249497
2511981
2612653
2713331
2814753
2915497
3017027
3122943
3226723
3329753
3431859
3532933
3638609
3739791
3842221
3947297
4049943
4158313

[3,17,47,107,173,269,503,641,809,983,1187,1637,
 2441,2753,4157,4547,4967,5393,5849,6311,6803,7829,
 8363,9497,11981,12653,13331,14753,15497,17027,
 22943,26723,29753,31859,32933,38609,39791,42221,
 47297,49943,58313]