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A108774 as a simple table

n a(n)
0 1
1 1
2 2
3 2
4 4
5 8
6 16
7 48
8 160
9 448
10 2048
11 6400
12 31232
13 125952
14 604160
15 3119104
16 15638528
17 93478912
18 550141952
19 3367698432
20 24049516544
21 146207539200
22 1203934593024
23 7615928598528
24 67190404415488
25 468355947429888
26 4196459066949632
27 33260378783744000

[1,1,2,2,4,8,16,48,160,448,2048,6400,31232,125952,
 604160,3119104,15638528,93478912,550141952,
 3367698432,24049516544,146207539200,1203934593024,
 7615928598528,67190404415488,468355947429888,
 4196459066949632,33260378783744000]

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Last modified July 29 02:33 EDT 2024. Contains 374727 sequences. (Running on oeis4.)