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A130914
as a simple table
n
a(n)
1
2
2
6
3
20
4
70
5
252
6
894
7
3432
8
12870
9
48620
10
149226
[2,6,20,70,252,894,3432,12870,48620,149226]
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Last modified September 15 19:05 EDT 2024. Contains 375954 sequences. (Running on oeis4.)
