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A137541 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 23
5 104
6 533
7 3027
8 18769
9 125687
10 901366
11 6876307
12 55498146
13 471743013
14 4207097145
15 39237139709

[1,1,2,6,23,104,533,3027,18769,125687,901366,
 6876307,55498146,471743013,4207097145,39237139709]

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Last modified July 31 04:10 EDT 2024. Contains 374774 sequences. (Running on oeis4.)