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!)

A175015 as a simple table

n a(n)
1 0
2 20
3 6040
4 1824060
5 550860080
6 166357920100
7 50239541010120
8 15172175027136140
9 4581946618654104160
10 1383732706658512320180
11 417882695464252066590200
12 126199190297497465597920220

[0,20,6040,1824060,550860080,166357920100,
 50239541010120,15172175027136140,
 4581946618654104160,1383732706658512320180,
 417882695464252066590200,
 126199190297497465597920220]

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 July 13 06:34 EDT 2024. Contains 374267 sequences. (Running on oeis4.)