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A248571 as a simple table

n a(n)
1 1
2 0
3 0
4 0
5 1
6 1
7 3
8 28
9 547

[1,0,0,0,1,1,3,28,547]

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Last modified January 18 09:26 EST 2022. Contains 350454 sequences. (Running on oeis4.)