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A001181 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 22
5 92
6 422
7 2074
8 10754
9 58202
10 326240
11 1882960
12 11140560
13 67329992
14 414499438
15 2593341586
16 16458756586
17 105791986682
18 687782586844
19 4517543071924
20 29949238543316
21 200234184620736
22 1349097425104912
23 9154276618636016
24 62522506583844272

[1,1,2,6,22,92,422,2074,10754,58202,326240,
 1882960,11140560,67329992,414499438,2593341586,
 16458756586,105791986682,687782586844,
 4517543071924,29949238543316,200234184620736,
 1349097425104912,9154276618636016,
 62522506583844272]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)