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A002841 as a simple table

n a(n)
3 1
4 1
5 2
6 6
7 16
8 50
9 165
10 554
11 1908
12 6667
13 23556
14 84048
15 302404
16 1095536
17 3993623 

[1,1,2,6,16,50,165,554,1908,6667,23556,84048,
 302404,1095536,3993623]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)