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A172646 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 1
6 3536978063850
7 134169254007831527780970675
8 19578536057961112914067888563728861113920
9 13935136089336578003371937448487249553674496163189003360

[0,0,0,0,1,3536978063850,
 134169254007831527780970675,
 19578536057961112914067888563728861113920,
 13935136089336578003371937448487249553674496163189\
 003360]

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)