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A172940 as a simple table

n a(n)
1 0
2 3
3 1842
4 28083496
5 3882567048795
6 3691124596208508930
7 19502304786439261984306250
8 483784356286505032648292371201968
9 49022230603053508588871953902168912724896 

[0,3,1842,28083496,3882567048795,
 3691124596208508930,19502304786439261984306250,
 483784356286505032648292371201968,
 49022230603053508588871953902168912724896]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)