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A006400 as a simple table

n a(n)
3 1
4 1
5 2
6 5
7 11
8 33
9 117
10 431
11 1755
12 7485

[1,1,2,5,11,33,117,431,1755,7485]

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Last modified April 20 22:14 EDT 2024. Contains 371848 sequences. (Running on oeis4.)