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A140730 as a simple table

na(n)
01
12
23
34
45
510
615
720
825
950
1075
11100
12125
13250
14375
15500
16625
171250
181875
192500
203125
216250
229375
2312500
2415625
2531250
2646875
2762500
2878125
29156250
30234375
31312500
32390625
33781250
341171875
351562500
361953125
373906250
385859375
397812500

[1,2,3,4,5,10,15,20,25,50,75,100,125,250,375,500,
 625,1250,1875,2500,3125,6250,9375,12500,15625,
 31250,46875,62500,78125,156250,234375,312500,
 390625,781250,1171875,1562500,1953125,3906250,
 5859375,7812500]