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A287481 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 7
6 62
7 651
8 10227
9 260144
10 11878410
11 1017605477
12 165072063493
13 50501705362177
14 29054148751458689

[0,0,0,1,7,62,651,10227,260144,11878410,
 1017605477,165072063493,50501705362177,
 29054148751458689]

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Last modified September 18 10:31 EDT 2020. Contains 337166 sequences. (Running on oeis4.)