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A287220 as a simple table

n a(n)
0 0
1 0
2 1
3 4
4 10
5 36
6 85
7 312
8 737
9 2760
10 6604
11 25176 

[0,0,1,4,10,36,85,312,737,2760,6604,25176]

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Last modified August 8 12:20 EDT 2024. Contains 375021 sequences. (Running on oeis4.)