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A004077 as a simple table

n a(n)
1 2
2 2
3 6
4 22
5 48
6 160
7 636
8 3556
9 19488
10 95872
11 594320
12 4459888
13 32131648
14 227072544
15 1875064880
16 17851780784
17 165367171136
18 1506506453568
19 15540217445728
20 179708231523680
21 2034547787823488
22 22716589497430656

[2,2,6,22,48,160,636,3556,19488,95872,594320,
 4459888,32131648,227072544,1875064880,17851780784,
 165367171136,1506506453568,15540217445728,
 179708231523680,2034547787823488,
 22716589497430656]

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Last modified July 17 21:15 EDT 2024. Contains 374377 sequences. (Running on oeis4.)