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A064171 as a simple table

n a(n)
1 1
2 1
3 2
4 15
5 3542
6 44438728965
7 87757630046458789424678387797052
8 675856755205061509378984088665012353791755857887475951486745195889516813384613294753875414807401

[1,1,2,15,3542,44438728965,
 87757630046458789424678387797052,
 67585675520506150937898408866501235379175585788747\
 5951486745195889516813384613294753875414807401]

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Last modified July 22 16:15 EDT 2024. Contains 374540 sequences. (Running on oeis4.)