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A182240 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 3
5 6
6 15
7 34
8 105
9 384
10 1658
11 8135
12 41407
13 205211
14 963708
15 4231059
16 17295730
17 65807588
18 233346408
19 772518828
20 2392611091
21 6946116261
22 18937468347
23 48568206996

[1,1,1,2,3,6,15,34,105,384,1658,8135,41407,205211,
 963708,4231059,17295730,65807588,233346408,
 772518828,2392611091,6946116261,18937468347,
 48568206996]

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Last modified October 17 06:07 EDT 2021. Contains 348048 sequences. (Running on oeis4.)