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A197161
as a simple table
n
a(n)
1
1
2
5
3
66
4
2573
5
331406
6
135820428
7
178698032203
8
752158409985973
9
10105549470186567265
[1,5,66,2573,331406,135820428,178698032203, 752158409985973,10105549470186567265]
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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)