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A266083 as a simple table

n a(n)
0 1
1 1
2 3
3 12
4 54
5 280
6 1695
7 11886
8 95116
9 856080
10 8560845
11 94169350
12 1130032266
13 14690419536
14 205665873595
15 3084988104030
16 49359809664600
17 839116764298336
18 15104101757370201
19 286977933390033990
20 5739558667800679990
21 120530732023814280000
22 2651676104523914160231

[1,1,3,12,54,280,1695,11886,95116,856080,8560845,
 94169350,1130032266,14690419536,205665873595,
 3084988104030,49359809664600,839116764298336,
 15104101757370201,286977933390033990,
 5739558667800679990,120530732023814280000,
 2651676104523914160231]

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Last modified April 16 09:52 EDT 2024. Contains 371698 sequences. (Running on oeis4.)