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A243945 as a simple table

na(n)
01
15
249
3605
48281
5120125
61809025
727966125
8440790025
97051890125
10114160867129
111865975723045
1230743797894681
13509948702030045
148507207970913729
15142626515754330125
162401552098016698025
1740591712338241826125
18688413807606268692025
1911710401759994742685125

[1,5,49,605,8281,120125,1809025,27966125,
 440790025,7051890125,114160867129,1865975723045,
 30743797894681,509948702030045,8507207970913729,
 142626515754330125,2401552098016698025,
 40591712338241826125,688413807606268692025,
 11710401759994742685125]