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A287651 as a simple table

n a(n)
1 1
2 0
3 0
4 2
5 4
6 0
7 320
8 1322496
9 339930624

[1,0,0,2,4,0,320,1322496,339930624]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)