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A231289 as a simple table

n a(n)
1 0
2 0
3 2722
4 278758
5 56442770
6 12128733980
7 2336016267460
8 456996951981462
9 90300361357430744
10 17782945733891880724
11 3500020956770127070018
12 689152311809440418420484
13 135697110109352656409210304 

[0,0,2722,278758,56442770,12128733980,
 2336016267460,456996951981462,90300361357430744,
 17782945733891880724,3500020956770127070018,
 689152311809440418420484,
 135697110109352656409210304]

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Last modified May 3 22:58 EDT 2024. Contains 372225 sequences. (Running on oeis4.)