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A264795
as a simple table
n
a(n)
1
1
2
3
3
15
4
130
5
1944
6
40188
7
1149120
8
49148112
9
2541311040
10
156667403520
11
11530576378368
[1,3,15,130,1944,40188,1149120,49148112, 2541311040,156667403520,11530576378368]
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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)