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A165611 as a simple table

n a(n)
1 0
2 0
3 648
4 7128
5 85536
6 870750
7 8937054
8 89606088
9 899190558
10 8995054860
11 89990100090
12 899940633714
13 8999883000108
14 89999307063540
15 899998650010008
16 8999992080398088
17 89999984700000144
18 899999910900869040
19 8999999829000000162
20 89999999010004961988

[0,0,648,7128,85536,870750,8937054,89606088,
 899190558,8995054860,89990100090,899940633714,
 8999883000108,89999307063540,899998650010008,
 8999992080398088,89999984700000144,
 899999910900869040,8999999829000000162,
 89999999010004961988]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)