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A319779
as a simple table
n
a(n)
0
1
1
0
2
0
3
0
4
1
5
4
6
20
7
66
8
226
9
696
10
2156
[1,0,0,0,1,4,20,66,226,696,2156]
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Last modified September 23 18:10 EDT 2024. Contains 376182 sequences. (Running on oeis4.)
