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A143657 as a simple table

n a(n)
1 1
2 1
3 2
4 5
5 12
6 32
7 95
8 301
9 1001
10 3495
11 12708
12 47932
13 186581
14 747619
15 3073207 

[1,1,2,5,12,32,95,301,1001,3495,12708,47932,
 186581,747619,3073207]

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)