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A271406 as a simple table

n a(n)
1 0
2 0
3 15
4 11247
5 144602898
6 34755893906751
7 91608343580208540348
8 1934213218888199972768791470
9 309708109612351278656208179310639771
10 376951205037184664653857886991084818378381176 

[0,0,15,11247,144602898,34755893906751,
 91608343580208540348,1934213218888199972768791470,
 309708109612351278656208179310639771,
 376951205037184664653857886991084818378381176]

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Last modified April 27 17:47 EDT 2024. Contains 372020 sequences. (Running on oeis4.)