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A174285 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 1
6 3
7 17
8 61
9 235
10 815
11 2563
12 7587

[0,0,0,0,1,3,17,61,235,815,2563,7587]

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Last modified December 16 12:37 EST 2018. Contains 318160 sequences. (Running on oeis4.)