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A166464 as a simple table

na(n)
01
15
221
357
4121
5221
6365
7561
8817
91141
101541
112025
122601
133277
144061
154961
165985
177141
188437
199881
2011481
2113245
2215181
2317297
2419601
2522101
2624805
2727721
2830857
2934221
3037821
3141665
3245761
3350117
3454741
3559641
3664825
3770301
3876077
3982161
4088561
4195285
42102341
43109737
44117481
45125581

[1,5,21,57,121,221,365,561,817,1141,1541,2025,
 2601,3277,4061,4961,5985,7141,8437,9881,11481,
 13245,15181,17297,19601,22101,24805,27721,30857,
 34221,37821,41665,45761,50117,54741,59641,64825,
 70301,76077,82161,88561,95285,102341,109737,
 117481,125581]