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A276916 as a simple table

na(n)
01
15
241
361
4145
5181
6313
7365
8545
9613
10841
11925
121201
131301
141625
151741
162113
172245
182665
192813
203281
213445
223961
234141
244705
254901
265513
275725
286385
296613
307321
317565
328321
338581
349385
359661
3610513
3710805
3811705
3912013
4012961
4113285
4214281
4314621
4415665

[1,5,41,61,145,181,313,365,545,613,841,925,1201,
 1301,1625,1741,2113,2245,2665,2813,3281,3445,3961,
 4141,4705,4901,5513,5725,6385,6613,7321,7565,8321,
 8581,9385,9661,10513,10805,11705,12013,12961,
 13285,14281,14621,15665]