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A283399 as a simple table

na(n)
01
13
25
311
417
563
6125
7243
8473
9783
101517
112435
127401
1313983
1417373
1556083
1665913
17235119
18451341
19571875
202043305
214055135
227713181
2313147347
2425155129
2541886639
26125696717
27208790627
28358465321
29718552543
301412347165
312934546387
325513207609

[1,3,5,11,17,63,125,243,473,783,1517,2435,7401,
 13983,17373,56083,65913,235119,451341,571875,
 2043305,4055135,7713181,13147347,25155129,
 41886639,125696717,208790627,358465321,718552543,
 1412347165,2934546387,5513207609]