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A166143 as a simple table

na(n)
11
213
331
455
585
6121
7163
8211
9265
10325
11391
12463
13541
14625
15715
16811
17913
181021
191135
201255
211381
221513
231651
241795
251945
262101
272263
282431
292605
302785
312971
323163
333361
343565
353775
363991
374213
384441
394675
404915
415161
425413
435671
445935
456205

[1,13,31,55,85,121,163,211,265,325,391,463,541,
 625,715,811,913,1021,1135,1255,1381,1513,1651,
 1795,1945,2101,2263,2431,2605,2785,2971,3163,3361,
 3565,3775,3991,4213,4441,4675,4915,5161,5413,5671,
 5935,6205]