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A118500 as a simple table

na(n)
02
15
217
341
483
5137
6233
7317
8467
9617
10761
11941
121259
131427
141913
152281
162531
172957
183511
193797
204447
215153
225351
236481
246863
257669
268581
279533
2810259
2911497
3012569
3113441
3214081
3315737
3416187
3517657
3619541
3719991
3821587
3923017
4024317

[2,5,17,41,83,137,233,317,467,617,761,941,1259,
 1427,1913,2281,2531,2957,3511,3797,4447,5153,5351,
 6481,6863,7669,8581,9533,10259,11497,12569,13441,
 14081,15737,16187,17657,19541,19991,21587,23017,
 24317]