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A144504 as a simple table

na(n)
1142857
2285714
3142857142857
4285714285714
5142857142857142857
6285714285714285714
7142857142857142857142857
8285714285714285714285714
9142857142857142857142857142857
10285714285714285714285714285714
11142857142857142857142857142857142857

[142857,285714,142857142857,285714285714,
 142857142857142857,285714285714285714,
 142857142857142857142857,285714285714285714285714,
 142857142857142857142857142857,
 285714285714285714285714285714,
 142857142857142857142857142857142857]