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A337516 as a simple table

n a(n)
1 1
2 2
3 4
4 9
5 23
6 57
7 151
8 421
9 1202
10 3397
11 9498
12 25970
13 70005
14 187259
15 500061 

[1,2,4,9,23,57,151,421,1202,3397,9498,25970,70005,
 187259,500061]

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Last modified September 3 20:21 EDT 2024. Contains 375675 sequences. (Running on oeis4.)