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A048477 as a simple table

na(n)
01
17
225
373
4193
5481
61153
72689
86145
913825
1030721
1167585
12147457
13319489
14688129
151474561
163145729
176684673
1814155777
1929884417
2062914561
21132120577
22276824065
23578813953
241207959553
252516582401
265234491393
2710871635969
2822548578305
2946707769345

[1,7,25,73,193,481,1153,2689,6145,13825,30721,
 67585,147457,319489,688129,1474561,3145729,
 6684673,14155777,29884417,62914561,132120577,
 276824065,578813953,1207959553,2516582401,
 5234491393,10871635969,22548578305,46707769345]