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A186952 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 9
5 20
6 48
7 113
8 282
9 689
10 1767
11 4435
12 11616
13 29775
14 79352
15 206960
16 559906 

[1,1,2,4,9,20,48,113,282,689,1767,4435,11616,
 29775,79352,206960,559906]

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Last modified April 24 08:56 EDT 2024. Contains 371934 sequences. (Running on oeis4.)