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A038248 as a simple table

na(n)
01
15
26
325
460
536
6125
7450
8540
9216
10625
113000
125400
134320
141296
153125
1618750
1745000
1854000
1932400
207776
2115625
22112500
23337500
24540000
25486000
26233280
2746656
2878125
29656250
302362500
314725000
325670000
334082400
341632960
35279936

[1,5,6,25,60,36,125,450,540,216,625,3000,5400,
 4320,1296,3125,18750,45000,54000,32400,7776,15625,
 112500,337500,540000,486000,233280,46656,78125,
 656250,2362500,4725000,5670000,4082400,1632960,
 279936]