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A000111 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 5
5 16
6 61
7 272
8 1385
9 7936
10 50521
11 353792
12 2702765
13 22368256
14 199360981
15 1903757312
16 19391512145
17 209865342976
18 2404879675441
19 29088885112832
20 370371188237525
21 4951498053124096
22 69348874393137901
23 1015423886506852352
24 15514534163557086905
25 246921480190207983616
26 4087072509293123892361

[1,1,1,2,5,16,61,272,1385,7936,50521,353792,
 2702765,22368256,199360981,1903757312,19391512145,
 209865342976,2404879675441,29088885112832,
 370371188237525,4951498053124096,
 69348874393137901,1015423886506852352,
 15514534163557086905,246921480190207983616,
 4087072509293123892361]

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Last modified May 21 21:45 EDT 2018. Contains 304403 sequences. (Running on oeis4.)