The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A323295 as a simple table

n a(n)
0 1
1 1
2 4
3 12
4 72
5 240
6 2880
7 10080
8 161280
9 1088640
10 14515200
11 79833600
12 2874009600
13 12454041600
14 348713164800
15 5230697472000
16 104613949440000
17 711374856192000
18 38414242234368000
19 243290200817664000
20 14597412049059840000
21 204363768686837760000

[1,1,4,12,72,240,2880,10080,161280,1088640,
 14515200,79833600,2874009600,12454041600,
 348713164800,5230697472000,104613949440000,
 711374856192000,38414242234368000,
 243290200817664000,14597412049059840000,
 204363768686837760000]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 7 10:42 EDT 2024. Contains 373162 sequences. (Running on oeis4.)