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A340003 as a simple table

n a(n)
0 1
1 1
2 3
3 8
4 15
5 576
6 105
7 46080
8 567
9 5160960
10 99792
11 5573836800
12 4633200
13 163499212800
14 277992000
15 476109707673600
16 231567336000
17 2056793937149952000
18 281585880576000
19 4195859631785902080000
20 14514472207872000
21 637770664031457116160000
22 6676657215621120000

[1,1,3,8,15,576,105,46080,567,5160960,99792,
 5573836800,4633200,163499212800,277992000,
 476109707673600,231567336000,2056793937149952000,
 281585880576000,4195859631785902080000,
 14514472207872000,637770664031457116160000,
 6676657215621120000]

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Last modified April 24 19:31 EDT 2024. Contains 371962 sequences. (Running on oeis4.)