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A003054 as a simple table

n a(n)
1 1
2 1
3 2
4 5
5 14
6 39
7 120
8 358
9 1176
10 3527
11 11622
12 36627
13 121622
14 389560
15 1301140
16 4215748 

[1,1,2,5,14,39,120,358,1176,3527,11622,36627,
 121622,389560,1301140,4215748]

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Last modified May 12 08:55 EDT 2024. Contains 372432 sequences. (Running on oeis4.)