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A140954 as a simple table

n a(n)
1 1
2 2
3 10
4 35
5 1126
6 7592
7 1697508
8 22458249
9 36000614026
10 941605438142
11 11035829403860196
12 572800408273738658
13 49759074151291691916640
14 5136409738603278958315040
15 3340664790391139471267200338312

[1,2,10,35,1126,7592,1697508,22458249,36000614026,
 941605438142,11035829403860196,572800408273738658,
 49759074151291691916640,5136409738603278958315040,
 3340664790391139471267200338312]

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Last modified September 18 13:54 EDT 2021. Contains 347527 sequences. (Running on oeis4.)