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A142648 as a simple table

na(n)
117
273
3241
4353
5409
6521
7577
8857
91193
101249
111361
121697
131753
142089
152593
163041
173209
183433
193769
203881
214049
224217
234273
244441
254721
264889
275113
285281
295393
305449
315897
325953
336121
346569
356737
366793
376961
387129
397297
407577
418081
428641
438753
449257

[17,73,241,353,409,521,577,857,1193,1249,1361,
 1697,1753,2089,2593,3041,3209,3433,3769,3881,4049,
 4217,4273,4441,4721,4889,5113,5281,5393,5449,5897,
 5953,6121,6569,6737,6793,6961,7129,7297,7577,8081,
 8641,8753,9257]