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A128296 as a simple table

n a(n)
1 1
2 1
3 1
4 3
5 99
6 1917729
7 695291630330558547
8 2868367896364283363830544991834226772439236224131

[1,1,1,3,99,1917729,695291630330558547,
 2868367896364283363830544991834226772439236224131]

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Last modified September 30 09:42 EDT 2022. Contains 357104 sequences. (Running on oeis4.)