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A299262 as a simple table

na(n)
01
17
225
365
4137
5249
6411
7631
8919
91283
101733
112277
122925
133685
144567
155579
166731
178031
189489
1911113
2012913
2114897
2217075
2319455
2422047
2524859
2627901
2731181
2834709
2938493
3042543
3146867
3251475
3356375
3461577
3567089
3672921
3779081
3885579
3992423
4099623
41107187
42115125
43123445
44132157
45141269
46150791
47160731
48171099

[1,7,25,65,137,249,411,631,919,1283,1733,2277,
 2925,3685,4567,5579,6731,8031,9489,11113,12913,
 14897,17075,19455,22047,24859,27901,31181,34709,
 38493,42543,46867,51475,56375,61577,67089,72921,
 79081,85579,92423,99623,107187,115125,123445,
 132157,141269,150791,160731,171099]