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A003178 as a simple table

n a(n)
0 1
1 1
2 0
3 0
4 1
5 0
6 1
7 1
8 2
9 2
10 6
11 8
12 26
13 45
14 148
15 457
16 2523
17 20786 

[1,1,0,0,1,0,1,1,2,2,6,8,26,45,148,457,2523,20786]

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)