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A005968 as a simple table

n a(n)
0 0
1 1
2 2
3 10
4 37
5 162
6 674
7 2871
8 12132
9 51436
10 217811
11 922780
12 3908764
13 16558101
14 70140734
15 297121734
16 1258626537
17 5331629710
18 22585142414
19 95672204155
20 405273951280
21 1716768021816
22 7272346018247
23 30806152127640
24 130496954475672
25 552793970116297
26 2341672834801754

[0,1,2,10,37,162,674,2871,12132,51436,217811,
 922780,3908764,16558101,70140734,297121734,
 1258626537,5331629710,22585142414,95672204155,
 405273951280,1716768021816,7272346018247,
 30806152127640,130496954475672,552793970116297,
 2341672834801754]

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Last modified April 20 00:26 EDT 2024. Contains 371798 sequences. (Running on oeis4.)