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A093851 as a simple table

n a(n)
1 4
2 39
3 324
4 2799
5 24999
6 228570
7 2124999
8 19999999
9 189999999
10 1818181817
11 17499999999
12 169230769229
13 1642857142856
14 15999999999999
15 156249999999999
16 1529411764705881
17 14999999999999999
18 147368421052631577
19 1449999999999999999
20 14285714285714285713

[4,39,324,2799,24999,228570,2124999,19999999,
 189999999,1818181817,17499999999,169230769229,
 1642857142856,15999999999999,156249999999999,
 1529411764705881,14999999999999999,
 147368421052631577,1449999999999999999,
 14285714285714285713]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)