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A331236 as a simple table

n a(n)
1 0
2 0
3 1
4 7
5 43
6 302
7 2622
8 31129
9 564452
10 17585400
11 1006927107
12 107458067322 

[0,0,1,7,43,302,2622,31129,564452,17585400,
 1006927107,107458067322]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)