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A198156
as a simple table
n
a(n)
1
1
2
4
3
10
4
116
5
2862
6
51686
7
4052747
8
435035530
9
65207007652
10
27807146172472
[1,4,10,116,2862,51686,4052747,435035530, 65207007652,27807146172472]
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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)