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A203835 as a simple table

na(n)
145
2225
3225
41125
51971
61125
75625
817289
917289
105625
1128125
12151659
13270333
14151659
1528125
16140625
171330353
184238721
194238721
201330353
21140625
22703125
2311669859
2466490965
25119606211
2666490965
2711669859
28703125
293515625
30102368025

[45,225,225,1125,1971,1125,5625,17289,17289,5625,
 28125,151659,270333,151659,28125,140625,1330353,
 4238721,4238721,1330353,140625,703125,11669859,
 66490965,119606211,66490965,11669859,703125,
 3515625,102368025]