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A061772 as a simple table

na(n)
110
245
3300
42250
518000
6150000
71285714
811250000
9100000000
10900000000
118181818181
1275000000000
13692307692307
146428571428572
1560000000000000
16562500000000000
175294117647058823
1850000000000000000
19473684210526315789
204500000000000000000
2142857142857142857143

[10,45,300,2250,18000,150000,1285714,11250000,
 100000000,900000000,8181818181,75000000000,
 692307692307,6428571428572,60000000000000,
 562500000000000,5294117647058823,
 50000000000000000,473684210526315789,
 4500000000000000000,42857142857142857143]