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A216126 as a simple table

na(n)
01
15
225
3125
4625
53125
65625
78125
8625
93125
105625
118125
12625
133125
145625
158125
16625
173125
185625
198125
20625
213125
225625
238125
24625
253125
265625
278125
28625
293125
305625
318125
32625
333125
345625
358125
36625
373125
385625
398125
40625
413125
425625
438125
44625
453125
465625

[1,5,25,125,625,3125,5625,8125,625,3125,5625,8125,
 625,3125,5625,8125,625,3125,5625,8125,625,3125,
 5625,8125,625,3125,5625,8125,625,3125,5625,8125,
 625,3125,5625,8125,625,3125,5625,8125,625,3125,
 5625,8125,625,3125,5625]