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A020146 as a simple table

na(n)
125
249
365
485
5133
6221
7323
8325
9343
10425
11451
12637
13931
141105
151225
161369
171387
181649
191729
201921
212149
222465
232701
242821
252825
262977
273325
284165
294577
304753
315525
325725
335833
345941
356305
366517
376601
387345
398911
409061
4110349
4210585
4310961
4411221

[25,49,65,85,133,221,323,325,343,425,451,637,931,
 1105,1225,1369,1387,1649,1729,1921,2149,2465,2701,
 2821,2825,2977,3325,4165,4577,4753,5525,5725,5833,
 5941,6305,6517,6601,7345,8911,9061,10349,10585,
 10961,11221]