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A200317 as a simple table

n a(n)
1 1
2 1
3 3
4 14
5 90
6 736
7 7308
8 85364
9 1146660
10 17411296
11 294880608
12 5510730224
13 112638576960
14 2499645858256
15 59850581734128
16 1537891759461344
17 42211161452391840
18 1232537502720495616
19 38148561442665067968
20 1247578217573259535424
21 42985394533206479112000

[1,1,3,14,90,736,7308,85364,1146660,17411296,
 294880608,5510730224,112638576960,2499645858256,
 59850581734128,1537891759461344,42211161452391840,
 1232537502720495616,38148561442665067968,
 1247578217573259535424,42985394533206479112000]

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Last modified April 23 08:11 EDT 2024. Contains 371905 sequences. (Running on oeis4.)