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A199746 as a simple table

n a(n)
0 1
1 1
2 3
3 12
4 66
5 449
6 3678
7 35111
8 383192
9 4704300
10 64172052
11 962908056
12 15762088585
13 279514500434
14 5338014558032
15 109224066408835
16 2383887010044728
17 55281768382909480
18 1357381019671809552
19 35180557115610914376
20 959798458208463538416
21 27494554196938752676656

[1,1,3,12,66,449,3678,35111,383192,4704300,
 64172052,962908056,15762088585,279514500434,
 5338014558032,109224066408835,2383887010044728,
 55281768382909480,1357381019671809552,
 35180557115610914376,959798458208463538416,
 27494554196938752676656]

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Last modified May 18 15:49 EDT 2022. Contains 353816 sequences. (Running on oeis4.)