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A246804 as a simple table

n a(n)
1 1
2 3
3 15
4 135
5 645
6 1373
7 195317
8 237249

[1,3,15,135,645,1373,195317,237249]

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Last modified May 6 04:43 EDT 2021. Contains 343580 sequences. (Running on oeis4.)