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A102169 as a simple table

na(n)
15
225
3125
4625
53125
615625
778005
8384550
91829850
108209410
1134219650
12131875900
13470597480
141562441800
154855374080
1614208711350
1739381411950
18103917328350
19262270328730
20635683810740
211484963848500
223353799866500

[5,25,125,625,3125,15625,78005,384550,1829850,
 8209410,34219650,131875900,470597480,1562441800,
 4855374080,14208711350,39381411950,103917328350,
 262270328730,635683810740,1484963848500,
 3353799866500]