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A081155 as a simple table

n a(n)
0 1
1 1
2 0
3 1
4 0
5 2
6 0
7 3
8 0
9 6
10 0
11 12
12 0
13 20
14 0
15 59
16 0
17 120
18 0

[1,1,0,1,0,2,0,3,0,6,0,12,0,20,0,59,0,120,0]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)