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A207081 as a simple table

n a(n)
0 1
1 2
2 5
3 14
4 44
5 151
6 560
7 2221
8 9353
9 41575
10 194148
11 948716
12 4834965
13 25624951
14 140886544
15 801808675
16 4714489141
17 28590416466
18 178551890345
19 1146748103103
20 7564646759295
21 51195535619574
22 355096311786622
23 2521828180324820
24 18321335891780843
25 136055733744848751

[1,2,5,14,44,151,560,2221,9353,41575,194148,
 948716,4834965,25624951,140886544,801808675,
 4714489141,28590416466,178551890345,1146748103103,
 7564646759295,51195535619574,355096311786622,
 2521828180324820,18321335891780843,
 136055733744848751]

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Last modified August 17 21:56 EDT 2022. Contains 356189 sequences. (Running on oeis4.)