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A227673 as a simple table

n a(n)
0 1
1 1
2 4
3 320
4 1281696
5 482913033152
6 27297846037161958056
7 337320253484345016223956919936
8 1248760044848501400078426452469652899962528
9 1817025580455577353700768095528219275036151622984555026720 

[1,1,4,320,1281696,482913033152,
 27297846037161958056,
 337320253484345016223956919936,
 1248760044848501400078426452469652899962528,
 18170255804555773537007680955282192750361516229845\
 55026720]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)