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A245130 as a simple table

na(n)
15
25
325
441
5275
6505
74005
88193
968855
10147117
111277485
122807617
1324937335
1455854349
15504209895
161145384915
1710467805625
1824038991995
19221828315005
20513848349931
214778788229935
2211147995960319
23104342997162795

[5,5,25,41,275,505,4005,8193,68855,147117,1277485,
 2807617,24937335,55854349,504209895,1145384915,
 10467805625,24038991995,221828315005,513848349931,
 4778788229935,11147995960319,104342997162795]