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A102736 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 16
5 80
6 400
7 2800
8 22400
9 179200
10 1792000
11 19712000
12 216832000
13 2818816000
14 39463424000
15 552487936000
16 8839806976000
17 150276718592000
18 2554704216064000
19 48539380105216000
20 970787602104320000
21 19415752042086400000
22 427146544925900800000
23 9824370533295718400000
24 225960522265801523200000
25 5649013056645038080000000
26 146874339472770990080000000
27 3818732826292045742080000000

[1,1,2,4,16,80,400,2800,22400,179200,1792000,
 19712000,216832000,2818816000,39463424000,
 552487936000,8839806976000,150276718592000,
 2554704216064000,48539380105216000,
 970787602104320000,19415752042086400000,
 427146544925900800000,9824370533295718400000,
 225960522265801523200000,
 5649013056645038080000000,
 146874339472770990080000000,
 3818732826292045742080000000]

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)