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A001109 as a simple table

n a(n)
0 0
1 1
2 6
3 35
4 204
5 1189
6 6930
7 40391
8 235416
9 1372105
10 7997214
11 46611179
12 271669860
13 1583407981
14 9228778026
15 53789260175
16 313506783024
17 1827251437969
18 10650001844790
19 62072759630771
20 361786555939836
21 2108646576008245
22 12290092900109634
23 71631910824649559

[0,1,6,35,204,1189,6930,40391,235416,1372105,
 7997214,46611179,271669860,1583407981,9228778026,
 53789260175,313506783024,1827251437969,
 10650001844790,62072759630771,361786555939836,
 2108646576008245,12290092900109634,
 71631910824649559]

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)